What would happen in the winter if ice sank the way solid rock does

The two main types of weathering which occur in deserts are Mechanical weathering, which is the disintegration of a rock by mechanical forces that do not change the rock's chemical composition and Chemical weathering, which is the decomposition of a rock by the alteration of its chemical composition.  

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Answer:

Urine is a liquid by-product of metabolism in humans and in many other animals. After the filtration of blood by kidneys, urine is produced. It is them passed through the ureters to the bladder to store it. While urinating, the urine is passed from the bladder through the urethra to discharge it.

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Answer:

The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems. The function of an organ system depends on the integrated activity of its organs.

The fundamental frequency(Ff) of the male's quack would be approximately 3044 Hz.(c) The female's quack would produce a higher-pitch sound because it has a higher fundamental frequency (3430 Hz) compared to the male's quack (3044 Hz).

(a) To calculate the expected fundamental frequency of the quack of the duck, we can use the formula: f = v/λ where f is frequency(f), v is velocity, and λ is wavelength. The velocity of sound in air is approximately 343 m/s, which we'll use as a rough estimate. To calculate the wavelength, we'll use the length of the neck plus bill: λ = l/n where λ is wavelength(λ), l is the length of the neck plus bill (0.05 m), and n is the number of half-wavelengths that fit into this distance. We can assume that the sound wave produced by the duck is the fundamental frequency, so we'll assume that n = 1 (meaning that the wavelength is twice the length of the neck plus bill).λ = 0.05 m/1λ = 0.1 m.

Now we can use the formula above to find the fundamental frequency: f = v/λf = (343 m/s)/(0.1 m)f = 3430 Hz. Therefore, the expected fundamental frequency of the quack of the duck is approximately 3430 Hz.(b) If the male's other linear dimensions are scaled up in the same ratio from those of the female, then we can use the ratio of their lengths to find the ratio of their wavelengths (assuming that the male's neck and bill are proportional in size to those of the female): λ_male/λ_female = l_male/l_femaleλ_male/(0.1 m) = (18 in.)/(16 in.)λ_male = (18 in./16 in.)(0.1 m)λ_male = 0.1125 m. Now we can use the formula from part (a) to find the fundamental frequency of the male's quack: f_male = v/λ_malef_male = (343 m/s)/(0.1125 m)f_male ≈ 3044 Hz.

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Answer: Therefore, there will be 15,625 bacteria after 72 hours.

Explanation:

Let N(t) be the number of bacteria at time t. The rate of change of bacteria is proportional to the number of bacteria present, so we have:

dN/dt = kN

where k is the constant of proportionality.

Using the initial condition N(0) = 20, we can solve for k:

N(0) = 20

N(t) = N(0)e^(kt)

50 = 20e^(8k)

ln(50/20) = 8k

k = ln(5/2)/8

Now, we can find N(72):

N(72) = 20e^(72k)

N(72) = 20e^(9ln(5/2))

N(72) = 20(5/2)^9

N(72) = 15625

Therefore, there will be 15,625 bacteria after 72 hours.

Answer:

Na (sodium) and HCl (hydrochloric acid)

Explanation:

The products are the salt and hydrogen gas

Whenever you see the word react it means those are the reactants (usually whatever compound comes before and after the word). Because they are reacting with each other.

Whenever they say "is produced" those are the products

The answer is option B, "The intermediates from glucose breakdown can be used to make amino acids," as it involves both anabolic (building of amino acids) and catabolic (breakdown of glucose) processes.

Amphibolism refers to the integration of both anabolic and catabolic processes, which allows for the efficient use of energy and nutrients in an organism. Option B is an example of amphibolic because the breakdown of glucose through the process of glycolysis leads to the production of intermediate molecules, such as pyruvate and acetyl-CoA, which can then be used in the anabolic process of amino acid synthesis. This allows for the efficient use of the energy stored in glucose molecules to produce amino acids, which are essential building blocks for proteins in the body. In contrast, options A, C, and D involve either purely catabolic or anabolic processes, and do not demonstrate the integration of both processes that is characteristic of amphibolism.

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Spiders are Secondary consumers which are carnivorous in nature.

Consumers form the upper trophic levels in the food chain like producers, they cannot make their own food. They eat plants or other animals to obtain energy, while some eat both. These are distinguish between several types of consumers.

These levels are divided into producers (first trophic level), consumers (second, third, and fourth trophic levels), and decomposers. In this, spiders are Secondary consumers which are also on third trophic level.

Thus, Spiders are Secondary consumers which are carnivorous in nature.

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The nerves and blood vessels that service a muscle fiber are located in the connective tissues of its d. endomysium.

The endomysium is a layer of connective tissue that surrounds individual muscle fibers. It consists of delicate connective tissue fibers and contains capillaries, nerves, and lymphatic vessels that provide the necessary oxygen, nutrients, and innervation to the muscle fiber. The endomysium serves as a protective and supportive layer for the muscle fibers, helping to maintain their structural integrity.

While the other options mentioned (myofibrils, sarcomere, perimysium, and sarcolemma) are also components of the muscle structure, they do not contain the nerves and blood vessels that service the muscle fiber.

Myofibrils are contractile structures within the muscle fiber, sarcomere is the basic functional unit of the muscle, perimysium is a connective tissue layer surrounding bundles of muscle fibers, and sarcolemma is the plasma membrane surrounding the muscle fiber. However, it is the endomysium that houses the vital vascular and nervous supply for the muscle fiber.

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Answer:

a flavor of an apple from a particular tree

Explanation:

Answer:   The correct answer is flavor of an apple from a particular tree

Explanation:   Confirmed correct

this elements does not rust, and is rare, yellow and shiny.

This elements does not rust, and is rare, yellow and shiny.

A chemical element is a species of atoms, including the pure substance made entirely of that species, that have a specific number of protons in their nuclei.

Chemical elements, in contrast to chemical compounds, cannot be reduced by any chemical process into simpler molecules. An element's atomic number, denoted by the symbol Z, is the attribute that distinguishes it from other elements; all atoms with the same atomic number belong to the same element.

Chemical elements make up the majority of the universe's baryonic stuff (among rare exceptions are neutron stars). Atoms are rearranged into new compounds linked together by chemical bonds when various elements undergo chemical reactions.

Therefore, This elements does not rust, and is rare, yellow and shiny.

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Answer:    New DNA is made by enzymes called DNA polymerases, which require a template and a primer (starter) and synthesize DNA in the 5' to 3' direction. During DNA replication, one new strand (the leading strand) is made as a continuous piece.

Explanation:

hard to explain

Answer:

Packaged foods ( e.g. muffins, cookies or candies ) are not considered as a potentially hazardous food .

Explanation:

A potentially hazardous food is that food ( natural or man made ) which  supports the rapid and progressive growth of infectious and toxin - producing microorganism.                                                                                                               These foods are typically foods having high protein content or carbohydrate content , have high moisture content or low acidity .                                          Examples of potentially hazardous food includes meats,  eggs , cooked beans or peas ,cut fruits and vegetables , cooked vegetables, cooked rice , raw seeds and sprouts , etc.                                                                                              So , packaged foods are not considered as hazardous as they are packaged and so are protected from microbes as they  are not in contact of atmosphere . All the other foodstuff , even boiled food  is also hazardous as they provide necessary conditions required by microbes to grow like moisture, etc.

Fruit fly eye and body colour are closely related to the same chromosome. Due to the fact that traits are always inherited individually, they would not follow the law for independent assortment.

Fruit flies are excellent genetic models because of their fairly straightforward genetic structure. It is advantageous for study mutated fruit flies because of how quickly they reproduce, which enables researchers to observe the benefits and drawbacks of various mutations.

Drosophila may be quickly and easily identified thanks to its physical characteristics, which include wings and eyes. These genetic identifiers are simple to spot under a microscope. Drosophila exhibits human-like behaviours including as feeding, reproducing, and sleeping.

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Answer:

Protons and Neutrons go in the middle

Explanation:

Hi! Based on the knowledge of fermentation and carbohydrates, I can help you formulate a hypothesis that addresses the rate of fermentation for four carbohydrates. Let's assume these carbohydrates are glucose, sucrose, lactose, and cellulose.

Hypothesis: The rate of fermentation by yeast will vary depending on the type of carbohydrate present. Glucose and sucrose will be fermented rapidly due to their simpler molecular structure, allowing the yeast to easily break them down. Lactose will be fermented at a slower rate, as it requires an additional enzyme to be broken down into fermentable sugars. Cellulose will not be fermented by yeast as it is a complex carbohydrate with a more challenging structure for the yeast to break down.
The reasoning behind this hypothesis lies in the fact that fermentation is a reaction in which yeast converts carbohydrates into simpler compounds, typically alcohol and carbon dioxide. The ease with which the yeast can break down the carbohydrate directly affects the rate of fermentation.

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Net Profit refers to the financial gain earned by a company or an individual after deducting all expenses, taxes, and costs from the total revenue generated. The correct option is e. none of the above.

To calculate net profit, one must subtract various expenses and costs from the gross profit. Gross profit is the difference between total revenue and the cost of goods sold (COGS).

However, net profit goes beyond the calculation of gross profit and takes into account all other expenses associated with running a business, such as operating expenses, taxes, interest payments, and depreciation. By deducting these costs from the gross profit, the net profit figure provides a more comprehensive picture of the financial health of a company.

It is important to understand that net profit represents the actual earnings of a business, reflecting its ability to generate revenue while considering all costs and expenses.

It indicates the profitability of operations after accounting for all the necessary expenditures incurred in running the business. Net profit serves as a key indicator for businesses and investors to assess the financial viability and success of an enterprise.

It helps determine the return on investment, evaluate operational efficiency, and make informed decisions regarding future investments and business strategies.

In conclusion, net profit is the financial gain achieved by deducting all expenses, costs, and taxes from the total revenue generated by a company or individual. Therefore, the correct option is e. none of the above.

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In a cross between a blue-eyed oohh woman and a blue-eyed oohh man, what eye color will the progeny have blue eye color.

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The type of relationship that exists between the oxpecker and antelopes is a mutualistic relationship as they both benefit each other.

Once upon a time, some researchers hypothesized that oxpeckers were parasites because they preferred the animal blood that these insect pests collected over the pests themselves. Oxpeckers actually favor ungulates (a kind of animals, e.g.- antelopes) with high tick concentrations, suggesting a more mutualistic relationship. This kind of relationship is generally referred to as mutualism.

Oxpeckers consume animal dandruff and ear wax as well. The smallest ungulate with which oxpeckers coexist is the impala, a little antelope. Despite the presence of other animals, oxpeckers only focused on impala. This type of relationship is called a symbiotic relationship.

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Answer:

Fertilizer is added to soils to increase plant productivity. A common type of fertilizer is called NPK fertilizer because of its ingredients: nitrogen (N), phosphorus (P), and potassium (K).

Explanation:

Photosynthesis in chloroplasts involves major steps such as light absorption, electron transport, ATP synthesis, and carbon fixation. It begins with light-dependent reactions in photosystems I and II, followed by electron transport and ATP synthesis.

Step 1: Photosynthesis is a complex process that occurs in the chloroplasts of plants, involving several major steps such as light absorption, electron transport, ATP synthesis, and carbon fixation.

Step 2:Photosynthesis is the process by which plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose. It occurs in the chloroplasts, specifically in three main stages: light-dependent reactions, electron transport chain, and the Calvin cycle.

During the light-dependent reactions, light energy is absorbed by chlorophyll molecules in photosystem II (PSII) and photosystem I (PSI). In PSII, water molecules are split, releasing electrons, protons (H+ ions), and oxygen. The electrons move through an electron transport chain, creating a proton gradient across the thylakoid membrane. This gradient is essential for ATP synthesis by ATP synthase, using the energy from the electron flow.

In PSI, electrons are re-energized by absorbing more light energy and are ultimately used to produce NADPH, another energy carrier. The ATP and NADPH generated in the light-dependent reactions are then used in the Calvin cycle.

The Calvin cycle, also known as the light-independent reactions or carbon fixation, occurs in the stroma of the chloroplast. It uses ATP, NADPH, and carbon dioxide (CO2) to produce glucose (G3P), which serves as a building block for sugars and other organic compounds. The cycle regenerates the starting molecule, ribulose bisphosphate (RuBP), allowing the process to continue.

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Answer:

1. The protein is synthesized within the cell using the information in the cell's DNA.

2. The protein is folded into its final shape.

3. The protein is transported to the cell membrane.

4. The protein is excreted from the cell, typically with the help of special protein-transporting molecules.

5. The protein is now outside of the cell and can be used for its intended purpose.

Explanation:

Alfred Hershey and Martha Chase are the two investigators that demonstrated that DNA could direct the replication of a virus, thus providing evidence that dna is the genetic material.

DNA has long since been recognised as the genetic material of living organisms.

However, in 1952, it was further proven that DNA is the genetic material through the experiments performed by two scientists named; Hershey and Chase.

These investigators studied the transmission of genetic information in a virus called the bacteriophage, which used Escherichia coli as its host bacterium.

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A taproot system can be seen in the orange portion of a carrot plant that humans consume. The correct answer is (A).

A taproot is a vertically downward-growing, tapering root. Secondary roots, which give rise to tertiary roots laterally, are the lateral roots that emerge from the main taproot. The orange piece of the carrot plant that people consume is the taproot altered for capacity.

The carrot vegetable we eat is the taproot of a carrot plant. A taproot is a large, central root, which we refer to as a carrot. It also has many smaller lateral roots that come out of the sides. At the ends of these lateral roots, these are not root hairs, which would appear more like a tiny fuzz.

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Answer:

both types of cells have a cell membrane

Answer: C. Both types of cells

Explanation:

C. The growth of the plants.

Answer:

The answer is Carbon-Fixing Reactions or Light Independent Reactions.

Explanation:

Answer: Test cross

Explanation: