Please help me this is SCIENCE ..... 20 points and brainlylist who answers first and right.
PLEASE

Coal deposits that are deep underground must be extracted by subsurface mining rather than by strip-mining because strip-mining would Require removal of large amounts of rock and soil.

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Answer:

Crest

Wavelength

Amplitude

Equilibrium Position

trough

⬆️⬆️This is right

Explanation:

Answer:

Some environmental factors that will influence the growth of an elephant are those such as natural predators, food available to them, shelter, and the maintainment of their natural habitat.

Explanation:

Answer:

(B) and (E)

Explanation:

It is not option (A) because it says that Lactobacillus is a kind of bacteria that harms you, not is good for you, and parasitic bacteria are harmful to you, so not (A).

Not (C) because it does not make any sense whatsoever.

Not (D) since that says that S. typhi has a mutualistic relationship, which is good for both organisms, which is not true in this case.

It is (B) because the harmful bacteria, S. typhi is a parasite to humans.

It is also (E) since that says that the Lactobacillus bacteria does share a good relationship with humans.

Answer: c. 50%

Explanation:

If you draw a punnett square you see that the phenotypes you get are Cc, Cc, cc, and cc. If C (curly hair) is dominant over c (straight hair) then those with the phenotype Cc would have curly hair and those with the phenotype cc would have straight hair. 2 out of 4 have Cc (curly hair) so that's 50%.

Answer:

I can not answer this question, I do not know what you're model is.

Entamoeba Histolytica is a protozoan parasite that can cause amoebic dysentery and other gastrointestinal infections. It is commonly treated with a class of drugs called nitroimidazoles, which are effective against anaerobic bacteria and parasites.

The most commonly used nitroimidazole drug for treating Entamoeba histolytica is metronidazole, which works by disrupting the DNA of the parasite and killing it. Metronidazole is usually given orally for 10 to 14 days, and it is effective in treating both symptomatic and asymptomatic infections. In severe cases of amoebic dysentery or liver abscess, additional medications such as tinidazole or chloroquine may be used in combination with metronidazole. In addition to medication, it is also important to maintain good hygiene practices, such as hand washing and sanitation, to prevent the spread of the parasite. It is also recommended to avoid drinking untreated water and eating raw or undercooked foods, as these may be sources of infection.

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The correct option is B: An increase in the affinity of hemoglobin to bin oxygen molecules.

Hemoglobin (Hb) is a protein in red blood cells that binds oxygen and facilitates its delivery to tissues throughout the body. Oxygenated Hb, also known as oxyhemoglobin (HbO2), has a bright red color and a high affinity for oxygen.

In contrast, reduced Hb (deoxyhemoglobin; Hb) has a dark red appearance and a low affinity for oxygen. The affinity of Hb for oxygen is modulated by a variety of factors, including pH, partial pressure of carbon dioxide (PCO2), and the concentration of 2,3-bisphosphoglycerate (2,3-BPG).

A pH decrease shifts the curve right, indicating a decrease in oxygen affinity. A pH increase shifts the curve left, indicating an increase in oxygen affinity.

Hence, a change in pH from 7.2 to 7.4 around hemoglobin causes an increase in the affinity of hemoglobin to bind oxygen molecules.

The answer is option B, i.e. "An increase in the affinity of hemoglobin to bind oxygen molecules."

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Transcription and translation are processes that happens in both prokaryotes and eukaryotes, but in eukaryotic cells they take place in different sites than in prokaryotic cells. Therefore, C is incorrect.

In eukaryotic cells, the mRNA is extensively processed before it is ready to be translated, not in prokaryotic cells. Therefore, D is incorrect as well.

In eukaryotic cells, transcription and translation are separate processes, transcription takes place in the nucleus and translation takes place in the cytoplasm. In prokaryotic cells, transcription and translation both takes place in the cytoplasm, being a continuous process. Therefore, A is incorrect, E is wrong too and the correct answer is B. Transcription and translation are continuous processes in prokaryotes but not eukaryotes.

The most likely cause for a patient displaying high volumes of urine output and severe dehydration is diabetes mellitus.

Diabetes mellitus is a metabolic disorder characterized by high blood glucose levels resulting from insufficient insulin production or ineffective use of insulin.

In cases of uncontrolled diabetes, excessive glucose in the blood spills into the urine, leading to increased urine output (polyuria). This excessive urination can result in fluid loss, leading to dehydration.

In diabetes mellitus, the high levels of glucose in the blood overwhelm the kidneys' ability to reabsorb water, leading to the production of large volumes of dilute urine.

As a consequence, the patient experiences increased urination and subsequently becomes dehydrated due to the loss of water from the body.

Therefore, when a patient presents with symptoms of high urine output and severe dehydration, diabetes mellitus is a likely cause to consider, and appropriate medical evaluation and treatment should be initiated.

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Sediment control items created from organic, natural coconut are called coir logs or coir wattles. Since vegetation's roots help to stabilize the soil, this is crucial for erosion control.

In order for dirt to be exposed the strong winds, heavy rains, and rushing water, it must be covered. Sometimes, human activities—particularly farming and clearing land—leave soil susceptible to erosion.

If the site is unsuitable for construction and urban developments cross existing drainage systems, they may severely exacerbate soil erosion. The natural drainage of the environment is impeded by mining and exploration activities, which can result in streams becoming eroded and silted.

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Mutations in c-propeptides can cause significant post translational overmodification of type I collagen because the c-propeptide plays a crucial role in regulating collagen fibrillogenesis. The c-propeptide is cleaved from the collagen molecule during fibril assembly, which allows the fibrils to form properly.

Mutations in the c-propeptide can interfere with this process, leading to the production of abnormal collagen fibrils.

When mutations occur in the c-propeptide region of type I collagen, it can lead to increased modification of the collagen molecule after it is synthesized.

This is because the mutant c-propeptide is less effective at regulating fibril formation, which leads to the formation of abnormal collagen fibrils. These abnormal fibrils are more susceptible to post-translational modifications, such as glycosylation and hydroxylation, which can further alter the properties of the collagen matrix.

Overall, mutations in the c-propeptide region of type I collagen can disrupt the regulation of fibril formation, leading to abnormal collagen fibrils and increased post-translational modification of the collagen molecule.

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Answer:

Water is slower to heat than most materials.

Explanation:

There is a physical property called "specific heat". This property determines the amount of temperature necessary to change 1ºC in the temperature of the materials. The higher the specific heat of the material, the slower it will heat up.

The water has an extremely high specific heat, which means that it will slowly heat up to an extremely high temperature. The specific heat of the water is greater than most materials and this explains why high variations and external temperature changes almost do not cause changes in the water of the picisnas, for example.

The article "Transdermal drug delivery in vitro using diffusion cells" by Bartosova and Bajgar (2012) explores the topic of transdermal drug delivery through in vitro experiments using diffusion cells.

Drugs are substances that have physiological or psychological effects on the body when consumed or administered. They can be classified into various categories, such as prescription drugs, over-the-counter medications, and recreational substances. Drugs can be used for therapeutic purposes to treat medical conditions, alleviate symptoms, or manage chronic illnesses. However, some drugs, such as illicit substances, can lead to addiction, dependence, and adverse health consequences. The development, regulation, and usage of drugs are subject to strict protocols and regulations to ensure safety and efficacy. Proper education, responsible use, and informed medical guidance are crucial when dealing with drugs to promote health and well-being.

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The term for a muscle contraction in which the proximal end moves toward the distal end is concentric contraction.

What is muscle contraction?

Muscle contraction refers to the activation of force-generating sites within muscle fibers. In a muscle contraction, a muscle cell or muscle fiber changes in length, creating tension by developing force against its load. This force is generated by the action of myosin heads, which bind to and slide along thin filaments of actin in the muscle fiber. There are different types of muscle contractions, including concentric, eccentric, and isometric.

What is a concentric contraction?

Concentric contractions happen when a muscle shortens to move a joint. The term "concentric" refers to the muscle shortening during contraction. For example, during a bicep curl, the bicep muscle contracts concentrically as it lifts the weight towards the shoulder. In a concentric contraction, the muscle's proximal end moves towards the distal end.

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Answer:

A photosynthesis pigment ( accessory pigment ; chloroplast pigment ; antenna pigment ) is a pigment that is present in chloroplasts or photosynthetic bacteria and captures the light energy neccessary for photosynthesis.

Explanation:

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Answer:Let's dance

Put on your red shoes and dance the blues

Let's dance

To the song they're playin' on the radio

Let's sway

While color lights up your face

Let's sway

Sway through the crowd to an empty space

If you say run

I'll run with you

And if you say hide

We'll hide

Because my love for you

Would break my heart in two

If you should fall into my arms

And tremble like a flower

Let's dance

Let's dance

For fear your grace should fall

Let's dance

For fear tonight is all

Let's sway

You could look into my eyes

Let's sway

Under the moonlight, this serious moonlight

And if you say run

I'll run with you

And if you say hide

We'll hide

Because my love for you

Would break my heart in two

If you should fall into my arms

And tremble like a flower

Let's dance

Put on your red shoes and dance the blues

Let's sway

Under the moonlight, this serious moonlight

Let's dance

Let's dance

Let's dance, dance, dance

Explanation:

The graphs that is most consistent with the claim that communities with high diversity are more resistant to change than are communities with low diversity is C, linear increasing.

A graph with the x-axis representing species biodiversity and the y-axis representing the amount of stability or resistance to change would be most compatible with the argument that communities with great diversity are more resistant to change than groups with low diversity.

The graph should indicate an increasing trend, with more species variety equating to increased stability and resilience to change.

This would imply that groups with great diversity can tolerate the introduction of non-native species and other disturbances better, whereas populations with low diversity are more sensitive to instability.

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Answer:

I think its C

Explanation:

Answer: Blue visible light waves have a higher frequency than red visible light waves.

Explanation: I took a similar test and got it right.

Answer:

All plants

Explanation:

This is due to the presence of chorophlly . the green colouring pigment in plants

plssss mark brainliest

The only place on Earth where you can find lemurs living in the wild is Madagascar. Hence, the correct option is B) Madagascar.

A brief on Lemurs are primitive primates that are found only in Madagascar. These primates look like a mix between a monkey, a squirrel, and a cat. They vary in size from as small as a mouse to as large as a medium-sized dog. Their tails can be longer than their bodies, and they have pointed furry ears. They are the most endangered of all primates and are threatened by hunting and habitat loss. A brief Primates are mammals, with arms, legs, and hands that can grasp things firmly. They have opposable thumbs and big toes, which help them climb trees. They have big brains and are intelligent, social animals. Primates are found all over the world, but they are most diverse in the tropics. They are divided into two groups, prosimians, and anthropoids. Prosimians are the oldest primates and are found only in Madagascar and nearby islands. Anthropoids are divided into two groups, monkeys and apes. Orangutans, gorillas, bonobos, and gibbons are all apes.

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Answer:

c  multicellular

Explanation:

Answer:

its the cytoplasm I believe

Plasmids and bacterial cells are helpful tools in genetic engineering because they are easy to use, take less time to multiply, and, due to the small size of the plasmid, are highly used in genetic engineering.

Genetic engineering is extremely useful for a variety of processes, including the production of the desired proteins and gene products in less time with the help of bacteria and plasmids. It is helpful to make genetically modified plants that have more nutrients than the wild-type variety, etc.

Hence, they are helpful tools in genetic engineering because they are easy to use, take less time to multiply, and, due to the small size of the plasmid, are highly used.

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The Restriction-Modification (R-M) system is a defense mechanism found in bacteria that protects them from foreign DNA, such as viral DNA or plasmids. It consists of two components: restriction enzymes and modification enzymes.

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The function of the Restriction-Modification system begins with the modification enzymes. These enzymes methylate specific recognition sites on the bacterial DNA, adding a methyl group to certain nucleotides. The modification process marks the bacterial DNA as "self" and protects it from being recognized and cleaved by the restriction enzymes. The restriction enzymes, on the other hand, are responsible for recognizing and cutting specific DNA sequences. These enzymes scan the bacterial DNA for unmethylated recognition sites, which are typically present in foreign DNA. Once an unmethylated site is identified, the restriction enzyme cleaves the DNA at or near that site, rendering it non-functional.

By cleaving foreign DNA, the R-M system prevents the replication and expression of the invading genetic material, inhibiting the spread of viruses or plasmids within the bacterial population. This defense mechanism is crucial for bacterial survival and plays a significant role in protecting the integrity of the bacterial genome. It's worth noting that while the R-M system provides protection against foreign DNA, it does not affect the bacterial host's own DNA due to the methylation process performed by the modification enzymes. This selective recognition and cleavage of foreign DNA allow bacteria to maintain genetic stability and prevent the uptake of potentially harmful or parasitic genetic material.

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electric bells .... maybe I am not sure

Answer:

DNA Replication

Explanation:

Explanation:

mitochondria, using oxygen available within the cell convert chemical energy from food in the cell to energy in a form usable to the host cell. Nadh is then used by enzymes embedded in the mitochondria inner membrane to generate a triphosphate ATP in ATP the energy is stored in the form of chemical bonds.

Answer:

Mitochondria, using oxygen available within the cell convert chemical energy from food in the cell to energy in a form usable to the host cell. ... NADH is then used by enzymes embedded in the mitochondrial inner membrane to generate adenosine triphosphate (ATP). In ATP the energy is stored in the form of chemical bonds.

Explanation:

These  guidelines, the student can obtain accurate measurements of the rate of photosynthesis in pondweed while changing the light color this experimentation will provide insights into how different wavelengths of light affect photosynthetic activity and contribute to our understanding of plant biology.

To obtain an accurate measurement of the rate of photosynthesis in pondweed while changing the light color, there are several key considerations for the student:

Light Source: Ensure a consistent and controllable light source. This can be achieved using a standardized light fixture or lamp with a known light spectrum.

It is important to use a light source that emits a range of wavelengths, as different colors of light affect photosynthesis differently

Wavelength Selection: Select specific wavelengths of light to investigate. This can be achieved by using color filters or LED lights with different colors.

The student should choose a range of colors spanning the visible spectrum, including red, green, and blue light, as they have varying effects on photosynthesis.

Experimental Setup: Set up a controlled environment for the pondweed. Place the pondweed in a clear container filled with water and ensure the plant is healthy and acclimated to the environment.

Use a suitable apparatus to measure the oxygen produced during photosynthesis, such as a floating leaf disk or a dissolved oxygen sensor.

Experimental Procedure: Expose the pondweed to one color of light at a time. Start with a control group under white light, representing natural sunlight.

Measure the rate of photosynthesis by recording the time it takes for the oxygen bubbles to rise or the change in dissolved oxygen levels.

Replicates and Data Analysis: Repeat the experiment for each color of light multiple times to obtain reliable results.

Calculate the average rate of photosynthesis for each color. Analyze the data to identify any patterns or trends in the rates of photosynthesis under different light colors

Control Variables: Keep other factors constant throughout the experiment, such as temperature, carbon dioxide concentration, and the distance between the light source and the pondweed.

These variables can influence photosynthesis and should be monitored and controlled carefully

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