Answer:
maybe B. because it occurs because of human water pollution
The negative change to feed levels in aquatic ecosystems caused by human activity is cultural eutrophication. Therefore, the correct statement is option B.
What is cultural eutrophication?Cultural eutrophication is the process by which human activities, such as agricultural runoff introduce excessive nutrients into aquatic ecosystems. This can lead to an overgrowth of algae and other aquatic plants to deplete oxygen levels in the water as they decompose.
This can negatively impact feeding levels in aquatic ecosystems by reducing the food availability for organisms that live in the water and these negative changes to feed levels in aquatic ecosystems are due to human activity.
Biological oxygen demand is a measure of the amount of dissolved oxygen needed by biological organisms in water to break down organic material, whereas endocrine disruptors are chemicals that interfere with the endocrine system of organisms.
Therefore, cultural eutrophication causes negative changes to feed levels in aquatic ecosystems caused by human activity.
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What is the atomic mass?
A. the number of protons found in an element
B. the number of neutrons found in an element
C. the total number of protons and electrons found in an atom
D. the total number of protons and neutrons found in the nucleus of an atom
Answer:
D
you add the number of protons and the number of neutrons
Answer:
the answer is d: the total number of protons and neutrons found in an atom
What percentage of nonmigratory wildebeest deaths are caused by predation?
Help me with this complete the sentence plss help mee
Answer:
1. chloroplasts 2. sunlight 3.oxygen 4.glucose 5.carbon dioxide
Explanation:
hope this helps :)
which statement best describes a direct role of atp in a paramecium?
The statement that best describes a direct role of ATP in a paramecium is
The power to move cilia is provided by ATP
What is paramecium?
A single-celled microscopic organism is called Paramecium.
Characteristics Of Paramecium:-
Habitat: It can be found in stagnant or slow-moving fresh water that contains decomposing organic waste, such as muddy ponds.Locomotion: The cilia that are found on the body's surface are used by paramecium to move. The organism travels forward while rotating on its axis, with the blunt end leading, as a result of the cilia beating obliquely rearward.Feeding: It consumes tiny creatures like bacteria, protozoa, and algae. Food fragments are moved in the direction of the gullet as the cilia in the oral groove beat.The food particles are transported to the bottom of the gullet by the movement of cilia in the gullet. Food particles occasionally enter the endoplasm there at the mouth pore to create food vacuoles. The endoplasm secretes digesting enzymes into the moving food vacuoles. The meal is absorbed and digested.
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All of the following have been identified by the EPA as health effects of noise pollution EXCEPT:
A. high blood pressure
B. hearing loss
C. severe depression
D. Blue Baby Syndrome
Answer:
high blood pressure, heart disease, sleep disturbances, and stress.
Explanation:
Which of the following questions do you think can be answered scientifically?
1. Does watching television before the age of one contribute to the development of autism in children?
2. Did the use of the herbal supplement ephedra cause the death of the 18-year-old soccer player?
3. Does global warming cause an increase in frequency and intensity of forest fires?
4. Do cactus spines reduce herbivory?
5. Should human embryonic stem cells be used to treat Parkinson’s disease?
The question that can be answered scientifically are as follows:
Do cactus spines reduce herbivory?Does global warming cause an increase in frequency and intensity of forest fires?Did the use of the herbal supplement ephedra cause the death of the 18-year-old soccer player?What is scientific method?The scientific method is a method of discovering knowledge about the natural world based in making falsifiable predictions (hypotheses), testing them empirically, and developing theories that match known data from repeatable physical experimentation.
The scientific method uses series of procedures to answer scientific questions or solve scientific problems.
Any question that does not conform to the use of scientific method is not considered scientific and hence, cannot be tested via experimentation.
Therefore, question that can be answered scientifically are as follows:
Do cactus spines reduce herbivory?Does global warming cause an increase in frequency and intensity of forest fires?Did the use of the herbal supplement ephedra cause the death of the 18-year-old soccer player?Learn more about scientific method at:
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How would cellular respiration be impacted in the absence of photosynthesis?
Answer:
Cellular respiration would decrease as there would be less oxygen for respiration to occur and an excess of carbon dioxide
Which stations are Prokaryotic?
Answer:
Which systems are prokaryotic?
Prokaryotes are a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles. Prokaryotes include the bacteria and archaea.
Explanation:
to accurate, a theoery must continue to explain
This might of gone in science but a prediction
How many orbitals are in the first energy level?
Answer:
Energy level I has just one orbital, so two electrons will fill this energy level. Energy level II has four orbitals, so it takes eight electrons to fill this energy level.
Examples of Conduction
1.
2.
3.
Answer:
Hope this helps :)
1. The heating burning your hand when you touch a boiling pot.
2. The heat from your hand melts an ice cube.
3. The heat from a curling iron makes the hair hot and wavy/curly.
What is the purpose of meiosis? Why must PMAT happen twice?
Meiosis may be a process used to create gametes, or sperm and eggs, which contain half the genetic material of the parent cells. This decrease in chromosome number is important because meiosis produces cells that will develop into gametes; otherwise, the union of two gametes during fertilization would end in children with double the typical number of chromosomes.
A single cell splits twice to create four daughter cells during meiosis. The genetic content in these daughter cells, also referred to as sex cells, is strictly half that of typical gametes. Meiosis leads to a haploid cell with half as many chromosomes, necessitating two divisions. In sexually reproducing organisms, meiosis may be a kind of cell division that results in a reduction in the number of chromosomes in gametes (the sex cells, or egg and sperm).
Body (or somatic) cells in humans are diploid, meaning they need two sets of chromosomes (one from each parent). They create gametes in humans, whereas they produce plant spores in plants. Meiosis may be a process that produces more sex cells, such the sperm and egg cells seen within the human body. Meiosis occurs within the testes and ovaries of males and females, respectively, within the primordial germ cells.
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How are P waves different from S waves?(1 point) Responses P waves push and pull in the same direction as the wave, and S waves move up and down. P waves push and pull in the same direction as the wave, and S waves move up and down. P waves move under Earth’s surface, and S waves move along Earth’s surface. P waves move under Earth’s surface, and S waves move along Earth’s surface. P waves travel slowly, and S waves travel quickly. P waves travel slowly, and S waves travel quickly. P waves cause damage, and S waves do not cause damage. P waves cause damage, and S waves do not cause damage.
P, S, and Surface waves differ in their propagation direction, velocity, deepness, and in the materials through which they transmit. A) P waves push and pull in the same direction as the wave, and S waves move up and down.
What are the types of seismic waves?There are three types of waves,
P waves ⇒ consist of the transmission of the rock's compressions and rarefactions in the same propagation direction. These waves can be transmitted in the interior of the Earth.P waves are the fastest in moving and can be transmitted through different materials, liquid or solid.
S waves ⇒ they move in a perpendicular direction to the disturbance propagation direction. These waves can also be transmitted in the interior of the Earth.S waves are slower and can not be transmitted through liquid masses.
Surface waves ⇒ They can only propagate through the most superficial layers of the Earth. Their amplitude decrease with depth.Surface waves are the slowest ones.
Due to the difference in speed, the first recorded waves during an earthquake are the P waves, followed by the S waves, and finally, the surface waves.
The difference in waves' speed is used to determine the location of the earthquake focus and the Earth's structure.
According to this framework, we can assume the correct option is A)
P waves push and pull in the same direction as the wave, and S waves move up and down.
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Would it have been possible to determine the identity of the unknown if a whole egg was used instead of only the albumin? Explain you answer noting that egg yolks contain lipids and proteins.
In this case, the identity of the egg can be determined by using more than albumin because it is a very common protein present in all eggs.
What is albumin?Albumin is one of the most abundant types of protein in eggs, which is present in different eggs of species as well as other types of proteins including globulins, mucoproteins, etc. This protein (albumin) is also present in tissues.
In conclusion, in this case, the identity of the egg can be determined by using more than albumin because it is a very common protein present in all eggs.
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Many neurons have only a single axon, but many terminals at the end of the axon.How does this end structure of the axon support its function
Answer:
How does this end structure of the axon support its function? A single axon means that a neuron can only send one signal at a time (one electrical impulse down the length of the axon). However, since the axon has multiple terminals it can send the signal to several other cells at once.
Explanation:
What new information do you feel like you missed? If you are having trouble recalling reread to clarify. The Big Bang theory.
The information about the big bang theory is everything in the cosmos was compressed into a singularity, a point of infinite heat and density, around 13.7 billion years ago. Our cosmos suddenly began to expand explosively, expanding faster than the speed of light.
According to the Big Bang theory, the Universe's present and past matter both originated at the same moment, around 13.8 billion years ago. At this point, all matter had been gathered into a singularity, which was a tiny small ball with infinite density and extreme heat.
Never was The Big Bang Theory canceled. Jim Parsons' unwillingness to extend his $50 million deal for seasons 13 and 14 had a significant impact on the choice. He loved playing Sheldon Cooper, but soon he became tired of it and was afraid of what life had in store for him outside of the sitcom.
The Big Bang theory's basic tenet is that the cosmos began at a single location some 13.8 billion years ago. Georges Lemaitre put forth the Big Bang idea in 1927. Georges referred to it as the hypothesis of the primordial atom rather than the Big Bang idea.
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1
Which source on the writing of the U.S. Constitution would be considered a primary source?
A a newspaper editorial written in 1887
B
an encyclopedia article on the Constitution
Charles Beard's book, An Economic Interpretation of the Constitution (1913)
James Madison's Notes on the Constitutional Convention
Answer:
James Madison's notes on the Constitutional Convention
So if only 10% of the energy eaten by a consumer passes on to the next level, then what would be the energy left for a secondary consumer if the energy at the primary consumer was 1000 kg?
The rest is lost largely through metabolic processes such as heat.
Only ten percent of energy is available for the next level. For example, plants use ninety percent of the energy they receive from the sun for their own growth and reproduction. When a consumer eats, only ten percent of that energy goes to the animal that ate it.
The consumer receives energy from the producer, but only 10% of the energy used by the producer is stored as energy in the body of the animal that eats it. Secondary consumers receive 10% of the energy available at the primary consumer level and 1% of the original energy. A tertiary consumer acquires 10% of the energy available in the second plane his 0.1% of the original energy.
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A complete protein source is one that provides all of the essential amino acids necessary in our diet.
Which of the following are examples of complete protein sources? Select all that apply.
A. Fish
B. Milk
C. Cheese
D. Sugar
E. Potatoes
A science teacher gives a student four beakers, each with a different liquid inside. The table shows the volume and mass of each liquid. When the student mixes all four liquids into one beaker, each liquid separates into a different layer. Which of the following lists the layers of the liquids in the beaker from the top to the bottom?
The list of the layers of the liquids in the beaker from the top to the bottom will be C. vegetable oil, water, dish soap, corn syrup
How to illustrate the information?According to Archimedes' principle, a body submerged in a fluid experiences an upward force proportional to the weight of the fluid that has been displaced. One of the prerequisites for equilibrium is this. The Archimedes' principle separates insoluble substances when they are combined.
The relationship between a body's mass and volume, or its density, is given by the formula m = PV.
When one liquid's density is lower than another's, the thrust outweighs the weight and the liquid with the lower density floats. If one liquid's density is higher than another's, the object's weight will be larger than the thrust for which it sinks. As we can see, the relationship between the densities creates a method for determining what kind of liquid floats.
Therefore, the list of the layers of the liquids in the beaker from the top to the bottom will be vegetable oil, water, dish soap, corn syrup.
In conclusion, based on the information, the correct option is C.
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A science teacher gives a student four beakers, each with a different liquid inside. The table shows the volume and mass of each liquid. When the student mixes all four liquids into one beaker, each liquid separates into a different layer. Which of the following lists the layers of the liquids in the beaker from the top to the bottom?
corn syrup, dish soap, water, vegetable oil
O corn syrup, water, dish soap, vegetable oil
O vegetable oil, water, dish soap, corn syrup
O vegetable oil, dish soap, water, corn syrup
What is a homogeneous mixture?
Answer:
Homo means the same, therefore a homogenous mixture is a mixture that is the same all the way through
A student observes two objects in space with his telescope. Both objects are seen orbiting the Sun. Which two objects are most likely observed by the student?
A student observes two objects in space with his telescope. Both objects are seen orbiting the Sun. Which two objects are most likely observed by the student?
a comet and an asteroid
a meteorite and a comet
a meteor and an asteroid
a meteor and a meteorite
The two objects orbiting the Sun which are most likely observed by the student with a telescope are: A. a comet and an asteroid.
What is a telescope?A telescope can be defined as an optical instrument which comprises a curved mirror and lenses and it is typically used for viewing distant objects.
This ultimately implies that, a telescope is designed and developed for viewing or taking pictures of objects that are very far away such as the Sun, stars and other planetary bodies.
What is the Sun?The Sun can be defined as an astronomical (celestial) body found within the solar system around which planetary (astronomical) bodies revolve (orbit) and whose light shines on planet Earth to differentiate day and night.
Based on astronomical records and information, the group of objects that orbit the Sun include the following:
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Synthesize It You are part of the biosphere. How will you interact with the
□ atmosphere, the hydrosphere, and the geosphere today? Use a complete sentonce
While a parcel of air inside the atmosphere turns into saturated with water, precipitation, which include rain or snow, can fall to Earth's surface.
That precipitation connects the hydrosphere with the geosphere by means of promoting erosion and weathering, floor tactics that slowly spoil down massive rocks into smaller ones.
Greater frequently, but, human interaction with the dynamic geosphere comes within the shape of floor erosion, our use of arable land for farming, and excavations for the construction of buildings, roads, and mines.
Humans can effect the hydrosphere in the following methods: Alteration of river and run-off pace and direction. Inputs of nutrient and warmth pollution. excessive removal of water from both rivers or aquifers.
The hydrosphere interacts with the geosphere whilst bodies of water or rain motive land formations to erode. Rivers and rainstorms ruin down rocks into small particles and form new rock styles as well. The hydrosphere releases snow and ice that make the geosphere difficult and cold.
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What is the function in a cell of the carbon compounds lipids.
A. Stores and transmits heredity information
B. Provides a cell membrane that regulates the interaction between the cell and the environment
C. Regulate cell processes transports things into and out of the cell and fights disease.
D. Stores energy for for the cell and sometimes provide structural support.
Answer:
D.Stores energy for the cell and provide structural support
Explanation:
Lipids are organic compounds that consist of carbon,hydrogen and oxygen.They are made of fatty acids and other compunds and they provide cells with energy,store energy and help form cell membranes.
how many moles of hydrogen are in 1 litr of water
Answer:
55.55556mols
Explanation:
Answer:
HACCP is a program designed to create awareness of potential points
of contamination in a food-processing facility.
a. true
b. false
2 Answer:
A bacteriostatic agent uses static electricity to remove bacteria
from a surface.
a. true
b. false
3 Answer:
The three major sources of contamination in a food processing plant
are people, processing equipment, and the plant environment.
a. true
b. false
4 Answer:
Water hardness is a measure of the presence of substances in water
that form insoluble precipitates with soap.
a. true
b. false
5 Answer:
The floor of a food processing facility should have an unfinished
concrete surface for easy cleaning.
a. true
b. false
Answer:
i want points please...................
1. What minerals are included in pumice?
. What are some ways to reduce emissions? Are they
affective? 2. What are some ways you can help to reduce climate change? Which ones do you think are more affective?
Which ones do you already do? Are there other ways you can help reduce climate change?
Answer:
Explanation:
1) Greenhouse gas emissions can be reduced by making power on-site with renewables and other climate-friendly energy resources. Examples include rooftop solar panels, solar water heating, small-scale wind generation, fuel cells powered by natural gas or renewable hydrogen, and geothermal energy.
2) For example, improvements to energy efficiency and vehicle fuel economy, increases in wind and solar power, biofuels from organic waste, setting a price on carbon, and protecting forests are all potent ways to reduce the amount of carbon dioxide and other gases trapping heat on the planet.
3) Other ways to reduce climate change:
Much of our electricity and heat are powered by coal, oil and gas. Use less energy by lowering your heating and cooling, switching to LED light bulbs and energy-efficient electric appliances, washing your laundry with cold water, or hanging things to dry instead of using a dryer. Improving your home’s energy efficiency, through better insulation for instance, or replacing your oil or gas furnace with an electric heat pump can reduce your carbon footprint by up to 900 kilograms of CO2e per year.
When you throw food away, you're also wasting the resources and energy that were used to grow, produce, package, and transport it. And when food rots in a landfill, it produces methane, a powerful greenhouse gas.
Electronics, clothes, and other items we buy cause carbon emissions at each point in production, from the extraction of raw materials to manufacturing and transporting goods to market. To protect our climate, buy fewer things, shop second-hand, repair what you can, and recycle. Every kilogram of textiles produced generates about 17 kilograms of CO2e. Buying fewer new clothes – and other consumer goods – can reduce your carbon footprint and also cut down on waste.
Cell Work Unit Test
describe the relationship between a glose molecule and the products it makes during cellular respiration.
ATP is made via the metabolic process of cellular respiration, which breaks down glucose. The phases of cellular respiration are glycolysis, pyruvate oxidation, the citric acid cycle, or Krebs cycle, and oxidative phosphorylation.
Each glucose molecule undergoes a slow breakdown into carbon dioxide and water during cellular respiration. In the course of the processes that change glucose, some ATP is created directly. However, a process known as oxidative phosphorylation produces a lot more ATP later. The electron transport chain, which consists of a number of proteins lodged in the inner membrane of the mitochondrion, is what drives the process of oxidative phosphorylation.
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Which of the following is NOT a type of sexual
harassment?
1 verbal
2 cyber
3 bullying
4 physical
Answer:
cyber i think
Explanation:
Among the options, cyber is not a type of sexual harassment. Thus, the correct option for this question is B.
What is Sexual harassment?Sexual harassment may be defined as a type of behavior that significantly involves unwelcome or disgraces to the opposite gender in the workplace either through word or actions. It is a type of unlawful action that interferes with the emotions of an individual.
Sexual harassment may be accomplished in numerous ways such as verbal, bullying, physical, etc. But cyber is something that is typically related to the attributes of the culture of computers and information technology. It is something that deals with the internet, community, and technology which steal personal information. It involves the utilization of explicit or implicit sexual overtones.
Therefore, among the options, cyber is not a type of sexual harassment. Thus, the correct option for this question is B.
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