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Hopes this helps; couldn't quite see the answer.
Answer: On the top of the dark band
Humus is a dark organic matter in the soil produced by the decomposition of the dead plants, animals and their traces.The humus develops mainly by the plant litter, when the plants drop their leaves, twigs and other materials piles up and degraded and decomposed by the soil microbes. Humus can be produced naturally or by the process of composting. The humus makes the soil fertile, it is a rich source of nutrients hence, supports growth and development in plants.
In the given picture the dark layer on the top of the soil horizon represents humus.
Related Questions
Damon is injected with a radioactive substance and then lies on an apparatus with a scanner that emits fine streams of x-rays, which detect increased blood flow and oxygen metabolism in areas of the brain as damon processes particular stimuli. damon's brain functioning is being measured using
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The answer is Position emission tomography (PET). The nuclear imaging procedure in medicine is able to detect even molecular activities in a cell. They are therefore effective in detecting cancers, cardiovascular diseases, neurological disorders, and etcetera. The radionuclides are modeled such that they accumulate in the targeted organ. They measure sugar (glucose) metabolism, blood flow, and oxygen utilization.
Final answer:
Damon's brain activity is being measured with a Positron Emission Tomography (PET) scan which detects increased blood flow and tracer accumulation in active regions of the brain.
Explanation:
Damon's brain functioning is being measured using a Positron Emission Tomography (PET) scan. This type of scan involves injecting a radioactive tracer into the bloodstream, which then travels to the brain. As regions of the brain become more active, they require more blood and oxygen, leading to an increased accumulation of the tracer. The PET scanner detects the radiation emitted by the tracer, enabling the production of images that show which parts of the brain are more active during specific tasks. This method is particularly useful for studying brain function because it can show which areas of the brain are involved in certain behaviors or processes.
Which causes plants to respond positively to sunlight
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Hope this helped!
what does this passage most likely reveal about how the characters view the situation?
Then in the afternoon we went to Punda and stood near the pontoon bridge as she steamed slowly down St.Anna Bay. many others had come to watch too even the governor and we all cheered as she passed setting out her lonely voyage to England.There she would help refuel the Royal Air Force.
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A. They feel worried about the ship's lack of protection.
B. They show enthusiasm when they realize the governor of Curacao is with them.
C. They are confident that the Germans do not pose a threat to them.
D. They take pride in their effort to support the war against the Germans.
Then the answer is letter D. This is a passage from "The Cay" which was a children's novel written by Theodore Taylor and was published in 1969.
Answer:
The correct answer for: what does this passage most likely reveal about how the characters view the situation? Is: they take pride in their effort to support the war against the german.
Explanation:
In the novel, this was a very iconic proud moment in which the community felt how they contributed to the achievements of the war. In two different postures, by doing something so the bigger goal could be achieved and because they helped to save the life of the people who saved theirs. Because if you think this deeply if they didn't help them the resource they were expecting wouldn't have reached them and without that their lives would be at risk. Because they were on the battlefield.
Do you think the world is flat?
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Deposition of plaques in the walls of the arteries results in ______
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Hope this helps !
Photon
Deposition of plaques in the walls of arteries results in atherosclerosis
It is moreover defined as a disease of the arteries by the overthrow of fatty material on inner walls
The inheritance pattern for snapdragon flower color exhibits incomplete dominance. a snapdragon that is homozygous for the red allele is crossed with a snapdragon that is homozygous for the white allele. what is the phenotypic outcome of the offspring that result from this cross?
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Genotypic wise, all of the offspring will be heterozygous.
lease help me loves.
a sample of white powder is given to you to identify. You may use the the Benedict test, the Lugol test, the Biuret test, and the Sudan Red test to identify it.
1.what will each test tell you?
2.If the white powder was an starch, how would each of the tests turn out?,
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Lugol test is a test using iodine to check for the presence of starch. If starch is present, a deep blue-black color will appear.
Biuret test is a test for the presence of peptide bonds which is found in proteins. If peptide bonds are present the solution will turn violet with the intensity of the color being proportional to the concentration of peptide bonds.
Sudan Red test is a test for the presence of lipids (fat). If present, the fats will be stained reddish-orange.
2. Since the white powder is a starch, we will get the following:
Benedict test - Clear to light blue. Little to no reaction.
Lugol test - deep blue-black color will appear. Positive reaction.
Biuret test - remains blue in color, no reaction.
Sudan Red test - No red-orange color will appear.
Can someone check my answers pwease?(:
2. Which two biomes have the least precipitation?
tropical rain forest and temperate grassland
savanna and tropical rain forest
>tundra and desert
boreal forest and temperate forest
3. Which of the following would NOT be a factor that helps determine the characteristics of a land biome? (1 point)
> exposure to solar flares
relative humidity
latitude
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True or False: The genotype of a carrier female for hemophilia is XHXh.
A) TRUE
B) FALSE
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The genotype of a carrier female for hemophilia is XHXh (Hh). Hemophilia is a X-linked recessive disorder. Thus, the given statement is true.
What is Hemophilia?Hemophilia is usually an inherited bleeding disorder in which blood does not clot properly. Hemophilia can lead to spontaneous bleeding as well as bleeding following injury or the surgery. Blood contains many proteins which are called clotting factors which can help to stop bleeding.
There are two main types of hemophilia are A and B, with a third, rarer form which is called hemophilia C. Each type is directly related to a specific factor namely, hemophilia A is a factor VIII deficiency, hemophilia B is a factor IX deficiency, and hemophilia C is a factor XI deficiency.
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Final answer:
The genotype of a carrier female for hemophilia being XHXh is TRUE. Hemophilia is a sex-linked disorder and women with one healthy and one defective X chromosome (XHXh) are carriers, without necessarily showing symptoms.
Explanation:
The statement that the genotype of a carrier female for hemophilia is XHXh is TRUE. Hemophilia is a sex-linked recessive disorder, which means that the gene causing the disorder is located on the X chromosome. Males have one X and one Y chromosome (XY), so if they inherit the defective gene (Xh), they will exhibit symptoms of hemophilia as they do not have another X chromosome to mask the effect. Females have two X chromosomes (XX), and when a female has one defective gene (Xh) and one normal gene (XH), she becomes a carrier for the disease without necessarily exhibiting symptoms, since the healthy allele (XH) compensates for the defective one.
A carrier female inherits one X chromosome with the hemophilia allele from one parent, and one healthy X chromosome from the other parent. As a result, female carriers have the genotype XHXh.
About how much water is transpired by plants? none very minimal half of the reactant all of the reactant
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Answer:
half is thhe answer
Explanation:
During which stage of meiosis do synapsis and the formation of tetrads occur?'
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Final answer:
Synapsis and the formation of tetrads take place during Prophase I of meiosis. Homologous chromosomes are bound by a synaptonemal complex to form tetrads, which align independently at the metaphase plate, contributing to genetic diversity.
Explanation:
Synapsis and the formation of tetrads occur during Prophase I of meiosis. At this stage, homologous chromosomes come together to form a synapse, tightly bound by a protein lattice known as the synaptonemal complex and by cohesin proteins at the centromere, leading to the formation of tetrads. Each tetrad comprises four sister chromatids of homologous chromosomes.
Once tetrads are formed, they move to line up at the metaphase plate, located at the midway point between the two poles of the cell. This arrangement contributes to genetic diversity because there is an equal chance of a microtubule fiber encountering either maternally or paternally inherited chromosomes during separation, and the orientation of each tetrad is independent of other tetrads. The chiasmata, which are points where chromosomes exchange genetic material during crossover, maintain contact between the homologues until they segregate.
The intertidal zone is home to an abundance of aquatic organisms, like the barnacle, that can survive periods where they are not underwater. What type of tide would most likely decrease the abundance of aquatic organisms, and why?
Downwelling because it creates a cold environment that is not suitable for all aquatic organisms
Upwelling because it creates a cold environment that is not suitable for all aquatic organisms
Neap tide because it creates a small difference between high and low tides, so organisms are in stable environments
Spring tide because it creates a large difference between high and low tides, so the organisms are in extreme environments
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Answer:
Spring tide because it creates a large difference between high and low tides, so the organisms are in extreme environments
The organisms are in extremely harsh habitats due to spring tide, which greatly increases the difference between high and low tides, hence option D is correct.
What is spring tide?Crabs, sea stars, snails, seaweed, and algae live in the intertidal zones of rocky shorelines. Attaching themselves to the rocks, barnacles, mussels, and kelps can thrive in this setting.
In order to prevent drying out at low tide, barnacles and mussels may also store seawater inside of their closed shells.
Aquatic life is exposed to the atmosphere for a long time during low tide, when the sun, moon, and earth are in alignment, spring tides occur right after every full and new moon.
Therefore, the daily habitat for species living in intertidal zones is altered by the pattern of low and high-tide organisms in extreme environments, hence option D is correct.
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PLEASE HELP ME!!!!!what is he function of white blood cell??????
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White blood cells are cells that travel through your blood stream. They help defeat bacterial invaders, viruses, and help make you stay healthy.
Hope this helps!
What are the three most commonly used instruments for the determination of free-living physical activity and energy expenditure?
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How does human activity affect large-scale climate change?
a. Human activities create and destroy habitats.
b. Human activities change the composition of the atmosphere.
c. Human activities are not big enough to affect the climate.
d. Human activities change the shape of the geosphere.
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A.) Human activities create and destroy habitats
If you think about it - we destroy animal habitats to create our own housing and businesses. Hope this helps
which part of a plant protects and ensures the survival of fertilized eggs
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Answer: The female reproductive ovule is fertilized by the pollen and ovule resides in the ovary. So the ovary protects and ensures the survival of fertilized eggs.
Female flowering part consists of stigma which ends up in the style leading to the ovary. Male reproductive part consists of filament which holds the anthers that produce pollen. Fertilisation in flowering plants takes place inside the ovary of the flower which encloses the ovules. The fertilised ovule develops into a seed and ovary forms the fruit. Seed contains and stores the food and the embryo for forming a new plant.
The fertilized egg or embryo is protected from harsh environment and predations in an internal fertilisation.
Cigarette smokers metabolize caffeine ___________ nonsmokers.
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Caffeine are usually metablize by the liver. Cigarettes smoking has an effect on our metabolism. The by products of smoking enhances the activity of liver enzymes. These enzymes are responsible for metabolism of compounds in the body. This is the reason why smokers typically lose the effect of caffeine faster. They metabolize caffeine faster and excrete it as byproduct. Smoker can also be found to drink caffeine more often than non smoker this is also explains that habit.
The culinary term used when cutting a food lengthwise into very thin, stick-like shapes is
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Hope this helps!
-Payshence xoxo
Microbes are often identified using biochemical tests that detect specific enzymes of metabolic pathways.
e.coli typically ferments lactose, whereas the dysenterybacterium, shigella, does not. if a pure culture of each bacterium were placed in a tube containing lactose as the only food source, and a chemical indicator changed color if the tube became acid, what would the tubes look like after the bacteria were incubated?
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the answer to your question is: The tube with E. coli would indicate a pH change, and the Shigella tube would indicate no change.
Hoped I Helped
What is the RNA-DNA, "chicken or the egg" debate?
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What role does muscular tissue play in the digestive system?
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A home care nurse delivers care that incorporates a philosophy that focuses on connections and interactions between parts of the whole. which term best describes this philosophy?
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Explanation:
Holism is a theory and philosophy that focuses on connections and interactions between parts of the whole. Complementary therapy can be used to complement traditional medical interventions. Integrative care often incorporates sharing the responsibility in coordinating the best possible treatment plan for a client, including the clients' choices for care and the providers' expertise. Homeopathy is based on the belief of supporting the body while the symptoms are allowed to "run their course."
Marine scientists have collected data showing that oceans have become warmer in recent years. This increase in temperature would reflect an increase in thermal energy stored in the ocean. If true, would this validate or invalidate the Law of Conservation of Energy? Invalidate, because energy should not enter a closed system Invalidate, because the amount of energy should stay constant everywhere Validate, because the ocean is an open system that can gain and lose energy Validate, because the overall energy in the ocean does not change when thermal energy increases
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Answer: Validate, because the ocean is an open system that can gain or lose energy.
Explanation: Since the ocean receives thermal energy from the sun, the temperatures of the waters can increase and fluctuate in different areas. When these waters reach land, this energy is transferred to the land, whether it be the sand in the beaches, rocks, etc.
Validate, as the ocean is an open system that is capable of gaining or losing energy.
How is thermal energy stored in the ocean?This energy is transmitted to the land when these waves reach it, whether it be the rocks, sand, or other land features like beaches, water contracts and gets denser as it cools.
Water moves up and down through the ocean layers and as currents across the ocean as a result of temperature and salinity's effects on its density.
Ocean surface waters are warmed by solar energy, surface water can be significantly warmer than deep water in tropical areas. The ocean can be desalinated and power can be generated using this temperature differential.
Therefore, validate that since the ocean absorbs thermal energy from the sun, various parts of the ocean may see an increase or decrease in water temperature.
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In the kidney, the structures that filter the blood are the __________.
a. neurons
b. bile ducts
c. nephrons
d. ureters please select the best answer from the choices provided. a b c d
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In the kidney, the structures that filter the blood are the nephrons. The glomerulus filters your blood, and the tubule restores necessary chemicals to your blood while removing waste. This is how the nephrons function.
What is nephron ?Each kidney made up of a million nephrons, which are filtering cells. A filter termed the glomerulus and a tubule are both parts of a nephron. Nephrons are an important part of kidney.
The glomerulus filters your blood, and the tubule restores necessary chemicals to your blood while removing waste. This is how the nephrons function.
Each nephron has a glomerulus, which is where blood is filtered. The glomerulus is a network of capillaries encircled by the glomerular capsule, which resembles a cup.
Nephrons' main tasks include filtering the blood of all waste products, including solid wastes and excess water, as well as reabsorbing, secreting, and excreting a wide range of compounds.
Thus, option C is correct.
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How many words are in the scientific name for a species using the Linneaus classification system? 1 2 3 7
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:)
Receptors for nonsteroid hormones are located in _____. receptors for nonsteroid hormones are located in _____. the extracellular fluid the cytoplasm the nucleus the cytosol association with a cell's plasma membrane
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Nonsteroid hormone receptors are located in association with a cell's plasma membrane and utilize second messengers to relay signals into the cell.
Explanation:Receptors for nonsteroid hormones are typically located in association with a cell's plasma membrane. These hormones are generally hydrophilic and cannot diffuse through the lipid bilayer of cell membranes, so they rely on membrane-bound receptors to relay their message into the cell. Upon hormone binding, these receptors often trigger a cascade of intracellular events through a mechanism involving a second messenger. This is in contrast to steroid hormones, which can diffuse across the cell membrane and usually have intracellular receptors located in the cytoplasm or directly in the nucleus.
Lipid insoluble hormones, like peptide and amino acid-derived hormones (with the exception of thyroid hormones), bind to receptors on the outer plasma membrane and initiate intracellular signaling cascades without entering the cell themselves.
The concentration of Na+ within a cell is required to be ______ than the external concentration
a. lower
b. higher
c. the same
thank you in advance:),
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Answer:
Lower
Explanation:
As DNA is replicated, which DNA base pair will bond to cytosine
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As DNA is replicated, which DNA base pair will bond to cytosine?
the answer is D Guanine
What part of the eye is composed of tiny nerves that transfer light energy to nerve impulses?
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Students conducted an investigation which required them to record daily the height in millimeters of several plants. Which tool would be the most accurate and appropriate for this measurement?
A. graduated cylinder
B. yardstick
C. metric ruler
D. weigh scale
which is it?
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Answer:
Metric ruler.
Explanation:
Metric ruler is a scale used to measure the heights of different objects. These metric rulers shows different measurement values and are easily available in the market.
Students have to measure the height of plants in the millimeters. The students should use the metric ruler as the measurement of the scale on millimeters. The metric ruler can be used directly to know the increase in the height of the plants.
Thus, the correct answer is option (C).