Answer:
The answer is B
Archaebacteria, Eubacteria, Animalia, Protista, Fungi, Plantae
Explanation:
No such thing as kindom mammal, eubacteria or insectae. edg 2021
why is ice at 273 k more effective in cooling than water at the same temperature?
Answer:
it does not have any hidden heat.
Explanation:
Ice at 273K or 0°C is more efficient in cooling as it does not have any hidden heat. Water at the same temperature has hidden heat, banned latent heat of fusion, which is used to convert water into ice. Thus, ice at 273 K is more effective in cooling
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Ice at 273K is more effective in cooling than water at the same temperature as ice absorbs more heat to overcome the latent heat of fusion, as a result, provides the cooling effect.
What is latent heat?
Latent heat of fusion is the energy that must be provided to the solid matter so that there is a change triggered in the physical state of the matter, and as a result, leads to the formation of the liquid.
Ice at 273 K has a cooling effect as there is no hidden heat and latent heat, unlike the water that has hidden heat that makes them less cool than the ice at the same temperature.
Therefore, the ice exhibits a cooling effect at 273 K.
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Identify the synthetic fibre which resembles wool.
A. Rayon
B. Terylene
C. Nylon
D. Acrylic
Answer:
Acrylic.
Explanation:
Acrylic is the synthetic fibre which resemble silk and wool. It is also known as artificial wool or synthetic wool.
At which point on a cladogram do two species share an ancestor?.
Answer:
The node
Explanation:
Each branch point on the cladogram represents where species split off into new ones. The node represents the last point at which 2 new species shared a common ancestor.
Your parents have had a leaky pipe underground in your
backyard for years. You have two trees in the backyard. One is located closer to the leaky pipe while the other tree is farther away. What will be the response of the tree that is further away?
Stimulus:
Tropism:
Response:
Hydrotropism is the root motion toward the water source. In the example, Stimulus: Water. Tropism: Hydrotropism. Response: Roots growth toward the water leak.
What is Tropism?In botanic tropism refers to the biological response of the plant during its development to an external stimulus. These responses are usually noticed as plant motion, forward to or away from the stimulus source.
Stimuli can be good or bad for the plant, and depending on this, the plant will try to get closer or farther. According to this, Tropism can be either positive or negative.
Positive tropism ⇒ the plant moves forward to the stimuli sourceNegative tropism ⇒ The plant moves away from the stimuli source
According to the stimuli, there are different kinds of tropism,
Tropism Stimuli
Phototropism LightGeotropism GravityHydrotropism WaterTigmotropism Solid objectChemotropism Chemical Airtropism AirIn the exposed example,
Stimulus ⇒ Water from the leaky pipeTropism ⇒ Hydrotropism Response ⇒ The tree roots grow forward to the leak looking forwater source
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1.Which of the following allows the EPA to regulate water on board aircraft to ensure that the public is not exposed to high levels of bacteria? a)Federal Aviation Administration b)clean water act c)food and drug administration d)safe drinking water act
2.which of the following specifically regulates discharges of pollutants into U.S. waters and regulates the quality standards for surface waters? A)clean water act b)safe drinking water Act c)Environmental protection agency d)national environmental policy act
Answer:
Safe Drinking Water Act.
Explanation:
1. The following allows the EPA to regulate water on board aircraft to ensure that the public is not exposed to high levels of bacteria is safe drinking water act and 2. clean water act.
What is the work of clean water act?Under the CWA, the phrase “discharge of a pollutant” is described as “any addition of any pollutant to navigable waters from any factor source,” and “any addition of any pollutant to the waters of the contiguous area or the sea from any factor source.” In different words, a discharge of a pollutant takes place whilst a pollutant is discharged.
The Clean Water Act (CWA) establishes the fundamental shape for regulating discharges of pollution into the waters of the USA and regulating high-satisfactory requirements for floor waters.The US Environmental Protection Agency (EPA) Safe Drinking Water Act (SDWA) is a federal rules that hooked up the fundamental shape for the oversight of the requirements and high-satisfactory of consuming water.Read more about the EPA water problems:
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How has the global warming affected the ecosystem
Answer:
disorder in ecosystems
Explanation:
The ecosystems are having a disorder due to the too rapid change of the environment since many organisms cannot adapt quickly to the new climate. An example of this is the Arctic, due to its warming too quickly, causing polar bears to migrate south and mix with grizzly bears, changing the ecosystem.
In a DNA molecule, ______ bonds form between nitrogenous bases, such that A (adenine) pairs with its complement ______, and G (guanine) pairs with its complement ______.
In a DNA molecule, hydrogen bonds form between nitrogenous bases, such that A (adenine) pairs with its complement T (thymine), and G (guanine) pairs with its complement C (cytosine).
In the above Hydrogen bond, A (adenine) pairs with T ( thymine) while G (guanine) pairs with C (cytosine).
What is DNA molecule?DNA molecule is a type of nucleic acid that is found in living cells. DNA is an acronym for deoxyribonucleic acid. The chromosomes is contained within DNA molecule, it carries hereditary information which can be passed from parent to offsprings.
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What would most likely happen if the power lines in a petroleum power plant were broken? the petroleum would not burn. steam would not be produced. customers would not receive electricity. energy would not be converted.
The answer is Customers would not receive electricity as the power lines in a petroleum power plant were broken.
How do petroleum power plants produce electricity?
Fossil fuel power plants burn coal or oil to create heat which is in turn used to generate steam to drive turbines that generate electricity.
Thus, Customers would not receive electricity.
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The region of the stomach that empties into the duodenum is the.
Answer:
The pylorus
Explanation:
is the part of the stomach that connects to the small intestine. This region includes the pyloric sphincter, which is a thick ring of muscle that acts as a valve to control the emptying of stomach contents (chyme) into the duodenum (first part of the small intestine).
Answer:
The pylorus is the part of the stomach that connects to the small intestine. This region includes the pyloric sphincter, which is a thick ring of muscle that acts as a valve to control the emptying of stomach contents (chyme) into the duodenum (first part of the small intestine).
Explanation:
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If, while examining a human karyotype, it is observed that there are 22 paired chromosomes and two chromosomes that are not the same size, this would most likely be due to.
If, while examining a human karyotype, it is observed that there are 22 paired chromosomes and two chromosomes that are not the same size, this would most likely be due to mutation.
What is mutation?Mutation is any change in the nucleotide or chromosomal sequence of a genome.
There are different types of mutation and they include;
Deletion mutationTranslocation mutationInsertion mutationAccording to this question, a human karyotype was observed to have 22 paired chromosomes and two chromosomes that are not the same size.
This observation is likely caused by a mutation that caused the pairing of unequal sized chromosomes.
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Choose all characteristics of prostaglandins.
a) They are usually present in large amounts.
b) They are not stored in cells and are synthesized just before they are released.
c) They are rapidly inactivated after their release.
d) They travel in the bloodstream to their target cells.
e) They are paracrine substances.
Prostaglandins are not stored in cells and are synthesized just before they are released, rapidly inactivated after their release and they are paracrine substances (Options b, c and e).
Whta are prostaglandins?Prostaglandins are chemical substances that act as hormones by affecting surrounding cells in a tissue.
These substances (prostaglandins) are not secreted by specific glandular organs as other hormones.
Prostaglandins are substances that have fundamental functions for the normal functioning of the body.
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The fundamental problem of not having enough resources to meet unlimited desires
is called…
A. Underutilization
B. Factors of Production
C. Scarcity
D.Shortage
Answer:
c. Scarcity is the right answer
The largest amount of DNA in plant cell is contained in
Answer:
In plant cells, most DNA is located in the nucleus, although chloroplasts and mitochondria also contain part of the genetic material
How are tumor cells different from normal cells?
O A. Mitosis does not happen in tumor cells.
O B. Cell division is not regulated in tumor cells.
O C. Tumor cells do not contain chromosomes.
O D. Tumor cells have a cell wall instead of a membrane.
Answer:
B. Cell division is not regulated in tumor cells.
Explanation:
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Which of the following is a typical product of nuclear fission? a. oxygen b. carbon dioxide c. radiation d. water please select the best answer from the choices provided a b c d
The answer will be :
C. radiation
Answer:
C
Explanation:
Trust thr process Edge 2022
Assuming that the population was in hardy-weinberg equilibrium for the g locus, what percentage of moths in the natural population was white in 1962 ?.
The percentage of moths in the natural population that was white in 1962 is : 4%
What is Hardy-weinberg equilibrium ?Hardy-weinberg equilibrium states that the sum total of all the genes of an individual in a population is constant when the disturbing factors such as genetic drift does not occur
p² + q² + 2pq = 1
Determine the percentage of moths in 1962Applying the equation below
p² + q² + 2pq = 1
p = frequency of dominant allele
q = frequency of recessive allele
q² = frequency of h0m0zygous recessive genotype
p² = frequency of h0m0zygous dominant genotype
From the graph
Frequency of G allele ( i.e p ) = 0.8
percentage of white moths = q²
Note : p + q = 1 ---- ( 1 )
Insert value into equation ( 1 )
0.8 + q = 1
therefore ; q = 0.2
Hence the percentage of white moths = ( 0.2 )² = 0.04
= 4%
Hence we can conclude that The percentage of moths in the natural population that was white in 1962 is : 4%
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Which of the following describes safeguards used in nuclear power plants to protect the environment? I. Radioactive sections of the plant are cleaned every week. II. Cooling the reactor prevents an explosion and leak of radiation. III. A mixture of different forms of uranium prevents explosions.
Answer: Cooling the reactor prevents an explsion and leak of radiation
Explanation:
Answer:
It's one and two
Explanation:
I took the test
PLEASE VERY SIMPLE QUESTION: The graph above shows the effect of sew biological oxygen demand (BOD) and dissolved oxygen (DO) in a flowing stream. The smallest fish populations will most likely be found at point...
Answer:
A
Explanation:
closer to the sewage spill- less fish there will be because sewage is poisonous and at A the BOD is relatively high
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Match the image with its best description
images are not so clear . I answered according to what I probably felt it can be acc to attachment.
What are the issues / concern of cell research list five
Answer:
involves destruction of human identity
that's the answer
Pls help i will give 5 starts and brainliest question is down below 9:46
cool, very thin, outermost layer, under the ocean, usually made of out basalt: 1. oceanic crust
cool, very thin, outermost layer of the earth includes continents and ocean floor: 4. crust
the layer beneath the earth's crust. solid, hot rock that flows slowly: 5. mantle
earth layers organized by what the layers are made of : 1. compositional layers
cool very thin, outer most layer, on continents usually made of granite: 3. continental crust
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The cold adapted coniferous trees that dominate here have the following key adaptations: (select all that apply) question 7 options: conical shape to helps the snow to distribute more evenly across the tree and also to fall to the ground and prevent branches from breaking pear shape to helps the snow to distribute more evenly across the tree and also to fall to the ground and prevent branches from breaking thin needles have less surface area and waxy cuticles to avoid water loss in the dry winds and in winter when most available water is frozen thick needles have less surface area and waxy cuticles to avoid water loss in the dry winds and in winter when most available water is frozen very shallow roots compared to other trees like we have here in ohio. very deep roots compared to other trees like we have here in ohio.
Conical shape helps the snow to distribute more evenly across the tree and also to fall the ground and prevent branches from breaking pear shape to helps the snow to distribute more evenly across the tree
and ,also to fall to the ground and prevent branches from breaking thin needles have less surface area.
How do conifers adapt to the cold?They have several adaptations that help them grow in colder, drier conditions. Their needles are heavily cutinized. Their small surface area helps reduce evaporative water loss.
Thus, thee are the correct statement.
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Research and list the costs and benefits of using uranium as an energy resource. do the
benefits outweigh the costs for the united states?
Figure 1 represents part of a process that occurs in eukaryotic cells. There are untranslated regions (utr) in this sequence
The figure is a representation of the processing of raw mRNA generated from transcription, otherwise known as pre-mRNA, to a standardized mRNA that can be translated.
Pre-mRNA processingAfter transcription, the pre-mRNA produced needs to be processed and refined in order to be ready for translation.
The non-coding sequence, otherwise known as introns, are spliced out of the pre-mRNA and the coding sequence, the exons, are joined back together.
The whole process is mediated by different enzymes.
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The figure is a illustration of the processing of uncooked mRNA generated from transcription, in any other case called pre-mRNA, to a standardized mRNA that may be translated.
What is Pre-mRNA processing ?After transcription, the pre-mRNA produced desires to be processed and delicate with a purpose to be geared up for translation.
The non-coding sequence, in any other case called introns, are spliced out of the pre-mRNA and the coding sequence, the exons, are joined again together.
The entire system is mediated through one of a kind enzymes.
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which factor most likey results in the loss of genetic variation from small populations?
A migration
B mutation
C genetic drift
D genetic recommendation
Answer:
C genetic drift
Explanation:
variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce.
What does the Theory of Evolution state and what are the 4 evidences for it? *
Answer:
Mark me brainliest please I really need itExplanation:
In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection. The theory of evolution is based on the idea that all species are related and gradually chamge over time.Darwin's theory consisted of two main points; 1) diverse groups of animals evolve from one or a few common ancestors; 2) the mechanism by which this evolution takes place is natural selection.Evidence that supports the theory of evolution are fossils, embryological studies, anatomical and morphological characteristics (homologous organs, analogous organs, vestigial organs), molecular biology (comparing DNA sequences).Imagine you are a paleontologist trying to find the "missing link" between different species. in three to five sentences, create a fictional narrative about your discoveries, describing: 1) what two species, mythical or real, you are studying, 2) what evidence you have linked these species, and 3) what evidence you have to define different correlations and causations that support your hypothesis.
In this question, let's imagine that we are a paleontologist trying to find the "missing link" between cockroaches and shrimp.
Missing linkA paleontologist is trying to find the "missing link" between the cockroach and shrimp, the evidence is that both have similar body disposition, but one lived in the sea and the other on land, the evidence he has to define different correlations and causes that support their hypothesis are that these two animals are close in taxonomic classification and have similar body structure.
With this information, we imagine that we are a paleontologist trying to find the "missing link" between cockroaches and shrimp.
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What is the temperature and name of the surface ocean current that affects the climate of location E (see map above)?
(1) warm Alaska Current
(2) warm Gulf Stream Current
(3) cool Peru Current
(4) cool California Current
Answer:
it is 4 the cool California Current
Explanation:
The temperature and name of the surface ocean current which affects the climate of the location E is the Cool California Current. Thus, the correct option is 4.
What is the Cool California Current?The California Current is called as an eastern boundary current. The strong current systems which flow along the east side or the boundary of all of the Earth's major ocean basins. These tend to move the water towards the equator, and they are prone to strong upwellings.
The temperature and salinity of the waters of the California current vary with the seasonal variations in the upwelling, insolation, and flow of the water. The maximum range in the temperature and salinity from its northern to its southern end are 48° to 79° F or 9° to 26° C and 32.5 to 34.5 parts per thousand, respectively.
Therefore, the correct option is 4.
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Why is it difficult to male level 4 organs in a lab?
Answer:
By providing an example using one organ for each of the four levels of complexity, we have the following:First level organ: Skin; this is because it takes up a few cells. Second level organ: Windpipes; this is because they have more complex shapes with multiple cells. Third level organ: Stomach; this is because the stomach has to act on demand instead of a flow. Fourth level organ; Heart. The reason it is difficult to make level four organs in a lab is that it has a complicated architecture with several cells, blood vessels and tiny capillaries included. So far, scientists are yet to fully develop solutions for the level four organs and hence, difficult to create in a lab.
Explanation:
_________________________ are the most reflective substances on the surface of Earth.
Answer:
The answer is snow
The answer is Gold. Gold has the best reflectivity in the infrared spectrum, and has high resistance to oxidation and corrosion. It is used as reflective material on infrared instruments. Silver has the best initial front-surface reflectivity in the visible spectrum.