Please help!!! how can a sedimentary rock become a sedimentary rock???​

The operating statement for the retina at various light levels above is E. All of the above

The eye is the sense of sight that provides us with visual information. The eye sees an object through light that is captured by the cornea which is then received by the retina.

In the retina there are nerve cells that are sensitive to light. Retinal stem cells function to see dim light, rod cells see bright light and color. Retinal ganglion cells will cover messages from rod cells and cone cells and then send information to the brain via the optic nerve. The brain will respond to the impulses given and translate them into images.

The retina has operations at various light levels which are as follows:

For a given level of ambient light, the central ganglion cells respond proportionally to a small point of light over a range of about one log unit intensity. Through an adaptation mechanism, the ganglion cells in the center can dynamically encode the brightness level in the center in the range of 6 log units of ambient light level. Ganglion cells generally do not report absolute light intensity, but instead encode the difference in relative intensity between center and surroundings. Interactions in the outer plexiform layer play an important role in modulating the photic sensitivity of ganglion cells.

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Before fossil fuel and electrical power energy were harnessed, Humans used muscle power and direct wind and water power.

The correct option is C.

Muscle power refers to the power generated by humans during the contraction and relaxation of their muscles.

Muscle power can be used to accomplish a variety of tasks such as lifting objects, walking, running, etc.

Before the discovery of fossil fuels, humans use muscle power as well as wind and water power to accomplish tasks such as driving of motors, sailing ships, cutting trees, etc.

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The contribution of Rosalind Franklin to the discovery of the structure of DNA is: D. She had X-ray evidence of the shape of DNA (double-helix), that is also the discovery of its 3D structure.

Gibberellic acid (GA) plays a crucial role in a-amylase production and germination. GA stimulates the synthesis and release of a-amylase enzymes, which hydrolyze starch into sugars during germination. Experimental studies have demonstrated that the application of GA accelerates a-amylase production and enhances germination in various plant species

In terms of a-amylase production, GA stimulates the synthesis and release of this enzyme. a-amylase is responsible for breaking down starch into simpler sugars, which are then utilized by the plant for growth and development.

Studies have shown that applying GA to plant tissues or seeds results in an increased production of a-amylase, facilitating the conversion of stored starch into energy-rich sugars.

Regarding germination, GA is involved in breaking seed dormancy and promoting the growth of the embryonic plant.

It stimulates the production of hydrolytic enzymes like a-amylase, which enable the hydrolysis of starch reserves in the endosperm, providing the energy needed for germination and seedling establishment.

Additionally, GA helps in cell elongation and division, promoting the growth of the embryo and the emergence of the radicle.

Evidence for GA's role in both processes includes studies where the exogenous application of GA to seeds or plant tissues has been shown to enhance a-amylase production and promote germination.

Conversely, inhibiting GA synthesis or action results in reduced a-amylase activity and impaired germination. These findings support the critical involvement of GA in both a-amylase production and germination processes in plants.

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Answer:

A biogeochemical cycle is one of several natural cycles, in which conserved matter moves through the biotic and abiotic parts of an ecosystem.

Explanation:

Answer:

Explanation: got it correct

Answer: 1.? 2. strawberry 3. Cherry Have a great day or night :)

Explanation:

The reflecting telescope gathers more radiation than the refracting telescope. Therefore, option (D) is correct.

Reflecting telescopes use mirrors to gather and focus light, allowing for larger apertures and higher light-gathering capabilities compared to refracting telescopes, which use lenses. This design difference typically gives reflecting telescopes an advantage in terms of gathering more radiation from distant objects in space.

However, without specific information about the sizes or specifications of the telescopes in the pictures, this inference is based on the general characteristics of reflecting and refracting telescopes.

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The fact that Ramond paid $14,000 to rent office space for the next twelve months and paid $40,000 for insurance that covered the company's property are expenses.

It should be noted that an asset simply means an item that has economic benefit to a company.

In this case, Ramond paid $14,000 to rent office space for the next twelve months and paid $40,000 for insurance that covered the company's property are expenses.

The assets are that Ramond purchased $27,000 in supplies, all of which were used by 12/31 and he also purchased $5,000 worth of supplies for the coming month. They're assets because they're beneficial to him as they can be used to provide further value.

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Answer:

a disease that is contagious

Explanation:

Contagious--also called communicable--diseases, can be easily passed from one human to another, as opposed to non-communicable disease, which literally means the illness can't be "communicated" to another individual.Apr 17, 2020

Answer:

The dominant generation is haploid, so that the gametophyte comprises what we think of as the main plant. The opposite is true for tracheophytes (vascular plants), in which the diploid generation is dominant and the sporophyte comprises the main plant.

The term dominant generation refers with respect to plant classification and characteristics.

Dominant is something that masks the effect of others in the same condition.

In Bryophyta (non-vascular plants), the dominant generation is haploid (n), so the gametophyte consists of the main plant. The opposite is observed for Tracheophyta (vascular plants), in which the diploid (2n) generation is dominant and the sporophyte consists of the main plant.

Therefore, the term dominant generation refers with respect to plant classification and characteristics specifically.

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Answer:

DNA Polymerase

Explanation:

DNA polymerases are responsible for synthesizing DNA: they add nucleotides one by one to the growing DNA chain, incorporating only those that are complementary to the template.

The pathogens in the rotten apple had spread to the apples in Bag 2 and 3, while the apples in Bag 1 and 4 remained fresh because pathogens were not peresent or were killed.

Pathogens are disease causing organisms which are spread from one person to another directly or indirectly.

In the following experiment, a rotten apple contains pathogens which can spread by direct contact to the other apples.

At the end of the week, the apples in Bag 1 and 4 remains relatively fresh because the pathogens that were either not present it were killed when in contact with rubbing alcohol.

The apple in Bag 2 had gone bad while that in Bag 3 had gone bad the most.

Therefore, the pathogens in the rotten apple had spread to the apples in Bag 2 and 3, while the apples in Bag 1 and 4 remained fresh because pathogens were not peresent or were killed.

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A trait that is usually expressed only when an organism has two identical alleles for the trait is called a "recessive trait." When an organism has two different alleles for a trait, the trait that is expressed is called a "dominant trait."

Answer:

To develop phenotypic traits by which typically animal or plant males and females will sexually reproduce and have offspring together.

Explanation:

Answer:

Food webs are more complex than food chains, yet equally as useful in understanding the processes of ecological communities.  A food web shows the flow of nutrients between different types of organisms which can help us understand the energy transfer as described before.

Explanation:

Food webs in an ecosystem involves the combination of two or more food

chains. This involves all the relationship an organism has with the others.

This makes the food web complex.

Food webs have different types of organisms present which ranges from

plants which are regarded as the primary producers to animals such as Lion

which can be regarded as a Secondary/tertiary consumer in the ecosystem.

The occasional change in the geography and seasons in the ecosystem

also makes it very complex as some animals exhibit different traits when

subjected to certain conditions. This makes analysis of energy flow and relationship sketchy to determine.

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Due to the global warming, the temperatures in the Arctic will continue to rise causing the ice sheets to melt and because of that polar bears and other animals might face extinction.

Global warming as well as other environmental changes in the Arctic are having a crucial impact on the stability of the fragile Arctic ecosystem.  As the Arctic continues to warm up, ice sheets will keep melting at an accelerating rate. This can possibly have a major impact on the ecosystem, as many of the species, including polar bears as well as the seals, depend on the ice for their survival.

As the Arctic continues to warm, the sea ice is melting at an accelerating rate. This can have a major impact on the ecosystem, as many species, depend on the ice for their survival.

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Answer:

option that contains the elements that favored the settlement of Mesoamerican cultures

Answer:

There are three basic shapes of bacteria: coccus, bacillus, and spiral. Based on planes of division, the coccus shape can appear in several distinct arrangements: diplococcus, streptococcus, tetrad, sarcina, and staphylococcus. The bacillus shape can appear as a single bacillus, a streptobacillus, or a coccobacillus.

Explanation:

Hope this helps.

Answer:

Protein (enzymes), Lipids (fatty acids), Carbohydrates (sugar), Nucleic Acid (DNA, RNA)

Explanation:

Answer:

B. Estrous Cycle

Explanation:

hope this helps :)

Given what we know about the protein composition of hair, the protein in shampoo cannot replace the protein in damaged hair due to the fact that it would not be giving the cells the raw material needed to create the protein.

In the human body, along with all other living things, proteins are created from amino acids. The genetic code is read using a strand of messenger RNA called mRNA. Then, a transfer version of this known as tRNA brings the corresponding amino acid based on the genetic code found in the message. These amino acids are then chained together to form proteins.

The protein in shampoo cannot replace the protein in damaged hair because cells do not use entire proteins as a substrate, they use amino acids to create proteins. This may seem counterintuitive, but there are very good biological mechanisms behind it. In order for a shampoo to fix damaged hair, it must contain the amino acids necessary to re-create the lost proteins.

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Answer:

Heat is the answer because it is only the type of energy while other are molecule

The trend that is evident is: Initially, there seems to be support for Mel's hypothesis, but the gold data is not consistent with the predicted trend.

Option C is correct.

The data for zinc, nickel, copper, and silver shows that as the density increases, the melting point tends to increase.

From the data we can see , the data for gold does not follow this trend, as its density is lower than silver but its melting point is higher.

Therefore, while there is some initial support for Mel's hypothesis, the inconsistency with gold indicates  that the relationship between density and melting point is not solely determined by density.

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Mangroves are coastal ecosystems that provide habitats, food, and protection for various species, supporting the food web.

The mangrove ecosystem is a unique and highly productive coastal habitat characterized by mangrove trees, which are specially adapted to survive in saline environments. Mangroves are typically found in tropical and subtropical regions along sheltered coastlines, estuaries, and intertidal zones.

Mangroves are vital in sustaining the ecosystem by providing various ecological services. One of their significant contributions is their role in the food web or food chain.

They serve as a critical nursery and feeding ground for a diverse range of marine species. The intricate network of roots, known as prop roots, provides habitat, protection, and feeding opportunities for numerous organisms, such as fish, crustaceans, mollusks, and birds.

The mangrove leaves and detritus that fall into the water serve as a source of organic matter and nutrients, fueling the base of the food web. Decomposers and detritivores break down the organic matter, which is then consumed by various organisms.

Small organisms, like zooplankton and small fish, feed on the decomposers and detritivores, becoming prey for larger predators such as fish, birds, and reptiles.

Furthermore, mangroves act as a buffer against coastal erosion and storm surges, protecting shorelines and adjacent habitats. They also contribute to water filtration, nutrient cycling, and carbon sequestration, and provide a habitat for numerous endangered and migratory species.

In summary, the mangrove ecosystem plays a crucial role in sustaining the food web or food chain by providing habitat, nursery areas, and food sources for a diverse array of organisms. Their presence supports the productivity and biodiversity of coastal ecosystems, making them an essential component of coastal environments worldwide.

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Option(B) Ureter is the correct option.

The ureter is a vital part of the urinary system in humans. It is a muscular tube that connects the kidneys to the urinary bladder. Each human has two ureters, one attached to each kidney, and they play a crucial role in the transportation of urine from the kidneys to the bladder.

The primary function of the ureter is to carry urine that is produced in the kidneys to the urinary bladder for storage before it is eliminated from the body through urination. The ureters accomplish this by using peristalsis, a wave-like muscular contraction, to propel urine along their length.

The ureters have a complex anatomical course. They originate from the renal pelvis, which is the funnel-shaped structure that collects urine from the kidneys. From there, they extend downward, crossing over the brim of the pelvis and passing behind the peritoneum, the membrane lining the abdominal cavity.

The efficient functioning of the ureters is essential for the proper elimination of waste products and maintenance of fluid balance in the body. Any obstruction or abnormality in the ureters can lead to conditions like kidney stones, urinary tract infections, or urinary reflux.

In summary, the ureters are muscular tubes that transport urine from the kidneys to the urinary bladder. They rely on peristaltic contractions to propel urine, and their structure and positioning help ensure unidirectional flow.

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The example of a positive feedback loop related to global warming is "As ice melts, water is exposed, increasing the temperature even more and causing more melt."

Global warming refers to the long-term increase in the average temperature of the Earth's atmosphere and oceans, primarily caused by human activities such as the burning of fossil fuels, deforestation, and industrial processes. These activities release large amounts of greenhouse gases, such as carbon dioxide, methane, and nitrous oxide, into the atmosphere, which trap heat and cause the Earth's temperature to rise.

As ice melts, water is exposed, increasing the temperature even more and causing more melt."This is because as ice melts, it exposes darker surfaces like water or land, which absorb more solar radiation and heat up. This additional warming then causes more ice to melt, which in turn exposes even more dark surfaces, leading to a self-reinforcing cycle of warming and melting. This positive feedback loop is one of the factors contributing to the accelerating rate of ice loss in the Arctic and Antarctic regions.

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Compared to fish found in lower temperature habitats, fish that inhabit higher temperatures tend to have more cholesterol and less saturated hydrocarbons in their lipid membranes.

Cholesterol and the fatty acid composition of lipid membranes play important roles in maintaining the fluidity and stability of the membrane. At higher temperatures, the increased thermal energy can cause the lipid membrane to become more fluid. To counteract this, the membrane may contain more cholesterol, which helps to increase the stability of the membrane. On the other hand, saturated hydrocarbons tend to make the lipid membrane more rigid, so the membrane may contain fewer of these compounds to maintain its fluidity. In lower temperature habitats, the lipid membrane may contain more saturated hydrocarbons to help increase the stability of the membrane and maintain its fluidity. In these conditions, the thermal energy is lower, so the membrane may not require as much cholesterol to maintain its stability.

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Neurons, also called nerve cells, are specialized cells of the nervous systems that receive and transmit signals through the body.

These cells have small projections in their body called dendrites, that receive signals from other neurons and process the information. One nerve cell has many dendrites, these projections are usually branched and form what is called a "dendritic tree"

The signal travels through the nerve's body to the Axon. Neurons have only one axon that leaves the cell's body from the Axon's hillock and connects to other neurons or tissues through small bulbous structures called axon terminals.

The Axons of many neurons that innervate the same locations travel down the same route form a bundle called a nerve.

The signal transmission is performed through a chemical synapsis. The process occurs between the axon terminal of one neuron (presynaptic nerve cell) and the dendrite of the next one (postsynaptic nerve cell) if the communication is between neurons. A chemical substance called a neurotransmitter is released from the presynaptic neuron and it binds with receptors in the postsynaptic neuron which translates into a new impulse.

The matches are:

Axon → Long thread-like part of a nerve cell that conducts impulses from cell to cell.

Dendrite → Short branched extension of a nerve cell that receives and transmits impulses.

Nerve → Fibers transmit impulses through the brain and spinal cord to muscles and organs.

Neuron → Specialized cells that join to create nerves.

Neurotransmitter → Chemicals released from axon terminals that transfer impulses from between nerve fibers.

Answer:

egg, larva (or maggot), pupal, and adult

Explanation:

depending on the type of fly, it may take about 1-4weeks for the cycle to be completed.