Answers
Deforestation can have destructive effects on soils. Trees and shrubs shield the ground from the force of raindrops and provide shade that reduces surface soil temperature, which in turn reduces evaporation. Logging and small-scale removal of trees exposes soil to rain splash which loosens and dislodges soil particles, eroding soil and creating a more impermeable bare surface, which increases runoff.
It was found that the majority of soil fertility indices were affected negatively by deforestation and more than half of the organic matter was lost to deforestation, which, in turn, could lead to deterioration in soil quality or land productivity capacity.
Related Questions
Which group creates the most pollution?O developing countriesO hunter-gatherersO developed countriesO special interest groups
Answers
What creates most pollution is the burning of fossil fuels to produce energy for eletricity and transportation, because of the release of carbon dio
The lymphatic system contains a network of vessels that transport fluids very similar to what other body system?Skeletal systemCardivoascular systemMuscular systemNervous system
Answers
Lymphatic system
The lymphatic system is made up of vessels and lymph nodes and its main function is the transport and circulation of fluids that are present in the body's tissues.
Thus, we can say that the lymphatic system resembles the cardiovascular system because the cardiovascular system is also composed of vessels and its main function is to circulate blood in the body.
So "cardiovascular system" is the answer.
what is the role of antibiotics is atropine
Answers
Atropine is a prescription medicine that is used to treat the symptoms of low heart rate (bradycardia), reduce salivation and bronchial secretions before surgery, or as an antidote for overdose of cholinergic drugs or mushroom poisoning. Atropine may be used alone or with other medications.
In the catabolic pathways, which two molecules are major electron acceptors? After they accept electrons, which electron carriers do they become? What is the primary function of the electron carriers?
Answers
The two molecules that are major electron acceptors in the catabolic pathways are NAD⁺ and FAD⁺, whereas NADH and FADH₂ can be considered as electron carriers. They play a fundamental role to produce energy as ATP.
What are electron carriers?The electron carriers are specific molecules that act during cellular respiration in order produce Adenosine triphosphate from ADP and phosphate, which is the energy coin of the cell.
Therefore, with this data, we can see that the electron carriers such as NADH and FADH₂ are fundamental for producing ATP, while NAD⁺ and FAD⁺ accept electrons during this process.
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In a respiration experiment we are measuring the rate alcoholic Fermentation in yeast by measuring the amount of CO2 produced Please assist with following questions
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Answer and explanation:
1. sources of error- in the experiment, the amount of carbon dioxide released by east is monitored, a source of error could be the carbon dioxide present in the atmosphere which would interfere with the results.
2. baking recipes add sugars and molasses to provide carbohydrates for the yeast. this acts as a source of energy for the fermentation process.
3. the respiration of yeast could be monitored by measured the amount of sugar used or by measuring the amount of ethanol produced in the respiration process
4. high concentrations of sugar my inhibit yeast activity most likely because of the high osmotic concentration which prevents yeast from getting enough water for growth. as the osmotic concentration increases a yeast cell will reach a pont where water moves out of the cell.
Which animals are cold-blooded, breathe with lungs, most lay eggs, although in some the eggs hatch inside the female, and have scales or plates?Question 17 options:FishReptilesMammalsAmphibians
Answers
Answer: Fish!
Explanation:
If it were a mammal, It would live birth only, Frogs do not have scales, Reptiles have egg-birth only.
elect 2 that apply.Which of these are monotremes? Select all that apply.kangaroosgiraffeduck-billed platypusdogkoala bearsspiny anteater
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Answer:
Duck-billed platypus and spiny anteater
Identify the type of neuron that carry information from the sense organs such as the tongue, nose, skin, ears, and eyes to the spinal cord and the brain so that the stimuli received from these organs can be processedSensory neuron Interneurons Motor neuron
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In order to connect stimulus perceived (which is done by the sensory neurons) with thecore nervous centers, a connector is required, this gap is filled by the interneurons. Interneurons are aimed to connect sensory data from the input (sensory organs) to the organs where this info is processed.
Pluripotent stem cells are of particular interest to stem cell research because they have the abilityto develop into any cell type in the body. This means they could be useful in treating diseases suchas cancer, Parkinson's disease, and multiple sclerosis.Why is the study of pluripotent stem cells controversial?O A. because they are created by cloningOB. because they are isolated from human embryosOC. because they can transform into cancerous tissueD. because they are created artificially in Petri dishes
Answers
Answer
B - because they are isolated from human embryos
Explanation
Stem cells are undifferentiated or partially differentiated cells that can differentiate into various types of cells and proliferate indefinitely to produce more of the same stem cell. They are the earliest type of cell in a cell lineage. They are found in both embryonic and adult organisms
Which of the following are formed during photosynthesis?A. C6H1206 and 0₂OB. C₂H4O2 and 02OC. C6H1206 and H₂0OD. C₂H4O2 and H₂O
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A. C₆H₁₂O₆ and O₂ are formed during photosynthesis.
6CO₂+6H₂O→C₆H₁₂O₆+6O₂; Photosynthesis' Reaction
Photosynthesis is a prominent reaction in green plants. Chlorophyll is the main pigment responsible for trapping sunlight. Stomata primarily capture carbon dioxide, one of the raw materials. Water and oxygen are the by-products of it.
Glucose is the primary product formed in the process. The photosynthetic products are transported as sucrose and stored as starch.
Photosynthesis is divided into Light reaction and Dark reaction, on the basis of the availability of light. Carbon dioxide is reduced to carbohydrates and water is oxidized to oxygen.
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What features do skeletal muscle cells have that you can see under a microscope?A. long and thin with strìations and many nucleiB. small, striated, and only 1-2 nuclei per cellC. smooth, 1 nuclei, and connected by gap junctions
Answers
Skeletal muscle cells seen under a microscope would have long and thin striations an many nuclei, since this kind of cells, are actually
Answer:
A. long and thin with striations and many nuclei
Explanation:
Skeletal muscle cells are highly elongated cells with many nuclei. Under a microscope, skeletal muscle cells have a striated appearance.
Which of the following would be a reasonable conclusion if hair was found to have a drug in the root but not in the rest of the hair strand?
Drug use is not identified.
Drug use is currently happening.
Drug use stopped several weeks ago.
Drug use has occurred for several months.
Answers
Drugs use different mechanisms to incorporate and fixate into the hair, and these are useful to determine if a person is currently consuming drugs or not, and for how long. Option B) Drug use is currently happening.
How are drugs incorporated into the hair?
Several studies have been done to explain drug incorporation mechanisms in hair. Among different mechanisms, the most significant ones are,
Active or passive diffusion from blood to the dermal papilla from which hair grows.Through sweat and other secretions.From the environment that might deposit drugs on hair.
Usually, before making a drug analysis, hair must be washed to avoid considering external environmental drugs deposited on hair (the last option).
Once drugs incorporate into the hair, they bond to different components composing highly stable complexes that can not be altered for several years. In fact, drugs can remain in the hair for hundreds of years.
According to this information, if after the analysis drugs were only found in the hair root, it might suggest that drugs are recently and currently being consumed.
Option B is correct. Drug use is currently happening.
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Answer: The answer is C
Drug use stopped several weeks ago!
Explanation:
I got it right on the Exam! Hope I helped :)
Which group of scientists introduced the Three Domaine System?Aristotle and SocratesB. Fox and LinnaeusC) Woese and Fox
Answers
Solution:
The three-domain system is a biological classification introduced by Carl Woese et al (Fox). in the year 1990. In this classification, the cellular life forms are divided into the following 3 domains;
1. Archaea,
2. Bacteria and
3. Eukaryotes.
So that, we can conclude that the correct answer is:
C) WOESE AND FOX.
Heartburn occurs when stomach acid escapes the stomach and burns the tissues of the esophagus. Baking soda is sometimes
used as an antacid. How does baking soda help relieve symptoms of heartburn?
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Baking soda is used as an antacid during heartburn because: (a) The baking soda is serving as a buffer to take up excess H+ ions from stomach acid.
Antacid is a medication used to neutralize to excessive acid inside the stomach and also cure heartburn as well as indigestion. They can come as liquids or as tablets. The composition of antacids must include aluminum hydroxide. magnesium carbonate, etc.
Baking soda is a bicarbonate with the chemical formula NaHCO₃. It is a very versatile compound used in a variety of ways like in cooking, as a odor repellant, for cleaning and also as an antacid.
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Building and sporulation are forms of __ reproduction
Answers
Answer: Asexual Reproduction
Explanation:
Budding and spore formation are two types of asexual reproduction methods. Hence, gamete formation and fertilization do not occur in both types. Both cases involve a single organism or a parent. Also, the offspring is genetically identical to that of the parent in both methods.
6. Use complete sentences to define the following terms or phrases in your own words.Short AnswerA. NeanderthalB. BipedalC. GenusD. Species (Include what members of a species can do)
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A. Neanderthal- they are the closest extinct human relative that lived in Europe and Asia about half a million years ago to 30 thousand years ago. They had archaic head features and stocky bodies.
B. Bipedal- refers to having two legs that are used for walking or for locomotion. It could also define as having two legs that are used mostly for movement. Examples of bipedal include humans, great apes, kangaroos, and the like.
C. Genus- a part of a taxonomic category that is placed after Family. This classification includes organisms that are closely related to each other and are made up of one or more species.
Example: Genus: Equus
Species: Equus quagga (zebra)
Species: Equus caballus (horse)
D. Species- refers to the taxonomic category that is placed after the Genus. This includes organisms that are capable of interbreeding and producing fertile offspring.
Example: Ursus americanus (black bear)
The body has three lines of defence. Which of the following is NOT one of them? I picked ‘B’ but I’m not sure if I’m correct
Answers
The human body has three lines of defense.
-The first line of defense is physical and chemical barriers, such as the skin, mucous membranes, enzymes, stomach acids, and antimicrobial molecules.
-The second line of defense corresponds to nonspecific innate responses, cellular responses, for example, the phagocytes, proteins, for example, the complement system, and other responses like fever and inflammation.
-The third barrier of defense corresponds to the adaptative immune system and it consists of the immune response carried on by the T-cells, B-cells, and antibodies.
All of the options are parts of the three lines of defense of the organism, A and B correspond to the first line of defense, C corresponds to the second line of defense, and D corresponds to the third line of defense.
None of the given options is a correct answer to the question.
Mutations can affect genes that control how a cell divides. This can result in cancerous tumors. A mutation that is not detected and repaired by the cell would produce which of these results? A. an interruption in the process of mitosis B. an interruption in the process of mitosis C. undifferentiated cell division D. uncontrolled cell division
Answers
All cancers begin with a gene mutation giving rise to a faulty protein participating in cell reproduction, even if it is a minor change that occured in this protein. The major problem is that the cell will divide itself nonstop, forming a mass of mutated cells (a tumor). If they start to divide in an undifferentiated way, it can even access other tissues and becom a more serious problem. But, in order to define what causes a tumor at first, the uncontrolled cell division is the beginning of it all.
Therefore, the correct answer is D. uncontrolled cell division
I need help with this practice problem My questions are located at the top of the pic
Answers
Hi. We just had a session with this same question is there any doubt left?
9. As the temperature increases, the chemical reaction
A. Speeds up
B. Slows down
C. Stays the same
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Answer: A. Speeds up
Explanation: Increasing the temperature increases the speed of the reactant molecules.
The nervous system is responsible for?
Answers
Answer:
The nervous system transmits signals between the brain and the rest of the body, including internal organs.
Explanation:
The nervous system's activity controls the ability to move, breathe, see, think, and more.
Rigid motion
(Fill in the blank)
ALWAYS
SOMETIMES
O NEVER
preserve angle measures.
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Answer: Rigid motions preserve collinearity. Reflections, rotations, and translations are all rigid motions. So, they all preserve distance, angle measure, betweenness, ...
3 pages
Explanation:
ALWAYS AND FOREVER
Read the following paragraphs from the section "Open Defecation Is A Dangerous Practice."In sub-Saharan Africa — the lands south of the Sahara desert — the proportion of the population practicing open defecation is slightly smaller. It stands at around 23 percent. Still, 40 percent of the population in this region lacks safe drinking water. Moreover, gender inequality there is more prominent than in South Asia. In sub-Saharan Africa, more than 25 percent of the population must walk 30 minutes or more to collect water. This task falls on women and girls nearly all the time. In fact, this collection happens in many poorer, developing nations. It takes critical time away from women.Moreover, Africa has a high risk of desertification. This is the process by which land becomes desert. This reduces the availability of freshwater even further and increases the threat of water inequality in the future.How is the central idea developed in these two paragraphs?Question 4 options:by giving an example of how lack of infrastructure and advanced treatment facilities cause water inequalityby showing that sub-Saharan Africa is the region most affected by water inequality in the worldby describing how lack of fresh drinking water affects people suffering from water inequalityby explaining how open defecation is the main reason behind contamination of water
Answers
The correct option is the first one "by giving an example of how lack of infrastructure and advanced treatment facilities cause water inequality". Since, the paragraphs deal with these two core ideas: 1.- desertification danger and its consequences; 2.- the precarious conditions and gender inequity to obtain water.
What type of growth graph is shown below for a woodpecker population?text Question 10 options:exponential growthlogistic growthlinear growth
Answers
When we are talking of population growth we must take into consideration more factors than just growth rate. In the case of exponential growth, we have that the growth rate per capita, that is to say per individual, is constant regardless of the population size, so it grows as the population grows. Meanwhile, in logistic growth, the growth rate per capita creases as the population size approaches a maximum imposed by the limiting resources, that is to say, the carrying capacity of an ecosystem. Therefore we can say that the correct answer is logistic growth.
Vascular plants have several specialized organs. Which one is matched correctly?A. Fruits: specialized in reproductionB. Cones: Specialized in reproductionC. Flowers: Specialized in reproductionD. All of them are correct
Answers
The vascular plants have several specialized reprodutive organs, which one responsible for one stage of the process of reproduction. The flowers are reprodutive organs, as well as fruits and cones, however they function in reproduction is distinct. The flowers is the most complex reproductive organ, since it is composed by for different structures (carpels, staments, petals and sepals), the cones are where the seeds are produced in the female plants during sexual reproduction after being fertilised by male gametes (pollen), and the fruits are the result following the pollination that are important to continuity of plants generations. Therefore, the alternative D (all of them are correct) is the answer for that question.
Give the order of the following events from earliest to most recent.1. Multicellularity2. Earliest Eukaryotic cells3. First Plants4. Formation of the earth5. First Primates6. First mammals7. Earliest prokaryotic cells8. First reptiles
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The first event would be the formation of the earth, since in the beginning, conditions were so extreme that life was not possible. The next event would be the origin of life which occurred with the first prokaryotic cells since they are simple cells in structure. Later, there would be eukaryotes, more complex cells, with a nucleus and other organelles such as mitochondria. Eventually, the interaction between cells gave rise to multicellularity and with this, the multicellular organisms were formed, the first ones being plants, followed by reptiles in the Carboniferous and mammals in the Jurassic period. And because primates are mammals, they would be in the last place.
Which do you think has more influence on a person's weight: genetics, upbringing, or the environment?
Answers
Genetics may play a great role, but upbringing could be more important since the eating, exercising and food selection habits could be acquired during this period. Aditionally, the often high price of healthy food and lack of knowledge about how to follow a balanced diet are some socioeconomic asociated factors, related to the upbringing, that must not be ignored.
Answer:
environment
Explanation:
example public
41
2 points
Atoms and molecules represent the
O organ
0000
cellular
chemical
tissue
level of organization.
Time Remaining
Answers
Answer: Atoms form molecules. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds.
Explanation
JESUS HEARS EVERY PRAYER!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! EVEN WHEN YOU CAN'T SEE OR HEAR HIM!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Why does the majority of photosynthesis occur in the leaves:1: roots are not exposed to sun since they are underground2: leaves contain chloroplasts which create store energy molecules3: all answers are correct
Answers
The correct option is 3.
The leaves have specific shapes that create the most efficient surface to absorb sunlight. Also, stomas are found mostly on the leaves, structures that allow the gas exchange: the CO2 enters into the leave, and O2 leaves it.
Can someone help with this ? Thank you if you can actually help
Answers
Answer:
a
Explanation: