14 POINTS! A sound with a large amplitude will trasmit a

A. lot of energy
B. high frequency
C. long wavelenght
D. low intensity

A substance with 20 carbon-14 atoms will have only nitrogen - 14 left after over 5730 years due to radioactive decay.

The element carbon has a naturally stable isotope C- 12, but C -14 is the unstable isotope.

C - 14 is the most commonly consumed isotope of carbon by all living organisms. Radiocarbon dating is the process of determining the age of a sample by examining the existence half life-life of this element. In the course of certain years when the life form's existence is extended the C- 14 gradually turns into N - 14 (Nitrogen).

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Answer: This can decrease our resources

Explanation: Since there are more people in the population that's going to take up more resources for more houses food and buildings.

Fused mandibular symphysis, fully enclosed orbit, cranium size relative to face, and tooth comb are all important features in the study of primate and human anatomy.

A fused mandibular symphysis refers to the fusion of the two halves of the lower jaw, which is commonly observed in humans and some primates. This fusion provides increased strength and stability to the jaw, allowing for more efficient and powerful chewing. A fully enclosed orbit is a bony socket that completely surrounds the eye, offering protection and support to the eye structure. This feature is found in primates, including humans, and plays a crucial role in enhancing vision and depth perception.

Cranium size relative to face is an important characteristic in understanding evolutionary changes in brain size and cognitive abilities. As human evolution progressed, there was an increase in cranium size relative to the face, indicating an expansion of brain size and cognitive capacity. Lastly, a tooth comb is a specialized dental structure found in some primates, such as lemurs and lorises, it consists of a row of closely spaced, forward-facing teeth that are used for grooming and feeding. This unique adaptation helps these animals maintain their fur and efficiently extract resources from their environment.

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The digestive tract is composed of layers of tissue which provide protection and aid in the digestion of food. Starting with the innermost layer, these layers are:

Each layer has its own unique purpose and contributes to the overall functioning of the digestive tract.

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Answer:

Condensation....I think

Answer:

I would believe the answer is condensation. sorry if it's wrong, I haven't taken this course in a long time. <333

Answer:

C

Explanation:

because im right obviously, give me brainliest please!

Answer:

Hello again :)

The population will increase because they eat it.

If marathon runners start too quickly, they are unlikely to finish the race. He/she is likely to finish the race last. The slower one starts the chances become high to win. The scientific reason behind this is, the utilization of glycogen accelerates where there is no glycogen and energy left for the end of the race.

Glycogen provides energy and is the storage food for the human body. This affects the performance of the runner and leads to a loss in the race. Not only the energy source is deprived but also the muscles become fatigued due to less O2.

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Oceans, ice, lakes, rivers, groundwater, and atmospheric water vapour are some of the Earth's water sources. About 97% of the water on Earth is found in oceans, while the remaining 2% is found in glaciers and ice peaks.

Lakes, waterways, and atmospheric water vapour together make up less than 0.1% of the total amount of water on Earth, while groundwater makes up about 0.6%.

Part 2: You can contact your local water authority or department of water resources to learn where your community's potable water is sourced. You can get knowledge from them about the water sources in your neighbourhood.

Part 3: A radio or television spot that informs your community about the source of their drinking water and the quantity of fresh water that is accessible to all people might sound something like this:

"Did you realise that there are many different sources of water on Earth? We have access to fresh water from lakes, rivers, oceans, and aquifers. However, did you also realise that only a small portion of the water on Earth is potable? Thus, water conservation is crucial.

Three methods are listed below.

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Deoxyribonucleic acid, also known as DNA, is the molecule that carries the genetic material necessary for an organism's growth and operation.

Thus, The structure of DNA is a double helix, which is made up of two connected strands that loop around one another to resemble a twisted ladder.

Deoxyribose and phosphate groups alternately form the backbone of each strand. One of the four bases—adenine (A), cytosine (C), guanine (G), or thymine (T)—is joined to each sugar.

A protein or RNA molecule's construction instructions are among the biological information encoded by the nucleotide sequence along the DNA backbone.

Thus, Deoxyribonucleic acid, also known as DNA, is the molecule that carries the genetic material necessary for an organism's growth and operation.

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Answer:

D

Explanation:

D: A statistical test having high power also has high probability for finding significant support.

Answer:

D

Explanation:

Answer: B, C and, D

It allows nutrients to enter the cell.

It provides a barrier against disease-causing agents.

It enables cells to interact with their environment.

Answer:

b,c,d

Explanation:

edge

The type of organic molecule that can assume both a linear and ring form is carbohydrates.

Carbohydrates are organic molecules composed of carbon, hydrogen, and oxygen, typically in a ratio of 1:2:1. They are an important source of energy for the body and are found in a wide range of foods, such as fruits, vegetables, grains, and sugars.

Carbohydrates can exist in linear or ring forms, depending on their chemical structure. In a linear form, the carbon chain is straight and can contain several hydroxyl (-OH) groups. In a ring form, the carbon chain forms a closed loop, with one of the carbon atoms attached to an oxygen atom to form a hemiacetal or hemiketal group.

The ability of carbohydrates to exist in both linear and ring forms is due to the presence of functional groups, such as aldehydes or ketones, that can react with hydroxyl groups to form cyclic structures. This property is important for the various functions of carbohydrates in living organisms.

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Answer: The same environmental change might affect a different species by causing both or more to lose food or lose their environment which lowers their survival rates.

Explanation: For example, climate change alters the abundance and distribution of predator and prey species, less food, less successful reproduction, and interfering with the environment for native wildlife.

To ensure expression of the pmoCAB operon, a substance called β-galactosidase must be added to the growth media.

The term "pmoCAB operon" refers to a set of genes that are typically found in bacteria that are capable of oxidizing methane. The "pmo" in pmoCAB stands for "particulate methane monooxygenase," which is the enzyme complex that carries out the methane-to-methanol conversion. The "CAB" refers to the three protein subunits that make up the complex.

β-galactosidase is an enzyme necessary for the expression of the pmoCAB operon because it is responsible for breaking down lactose into glucose and galactose, which are then used as a source of energy for the cell. Without β-galactosidase, the pmocab operon cannot be expressed and the cell cannot utilize lactose as a source of energy.

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If necessary to design a new experiment, high ILL would indicate that glycolysis is significantly inhibited; hence, the researchers could use measurements of intracellular lactate levels (ILL) in cancer cells to assess efficacy of cancer drugs. The correct option is A.

The measurements of intracellular lactate levels (ILL) in cancer cells could be used to assess the effectiveness of cancer drugs, as it can indicate whether glycolysis is significantly inhibited or not.

High ILL would indicate that glycolysis is significantly inhibited. This is because the end product of glycolysis is pyruvate, which is then converted to lactate in the presence of high levels of hydrogen ions. Thus, high ILL is an indication of the Warburg effect, where cancer cells switch to anaerobic glycolysis to produce ATP. This effect increases lactate production and, therefore, intracellular lactate levels.

In contrast, low ILL would indicate that glycolysis is not significantly inhibited, meaning that the cancer cells are continuing to proliferate despite the presence of the drug. This would be an indication that the drug is not effective in inhibiting cancer cell growth.

Thus, the best option explaining why researchers could use measurements of intracellular lactate levels (ILL) in cancer cells to assess efficacy of cancer drugs is high ILL would indicate that glycolysis is significantly inhibited.

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Based on the DNA sequence, the species that is most closely related to the unknown species is species 1, as it has more homologies than species 2. A bigger distance can be traduced in a higher number of mutations or modifications in the DNA sequence.

The correct answer is: Species 1.

Answer:

Explanation: option 1 . adds CO2 to the earth's atmosphere is the correct answer.

since fossil fules are rich in carbon dioxide wich is a green house gas .

effects the atmosphere and causes global warming.

The appearance of fossil 1 (2x) can only be determined if we are provided with the image of the fossil. We cannot describe the appearance of a fossil without looking at it.There are different types of fossilization, and it is important to understand what has occurred to fossilize the organism. The type of fossilization that has occurred can be determined by looking at the mineralization and preservation of the fossil.

Fossil 1's appearance and the type of fossilization that has occurred:

The appearance of fossil 1 (2x) can only be determined if we are provided with the image of the fossil. We cannot describe the appearance of a fossil without looking at it.There are different types of fossilization, and it is important to understand what has occurred to fossilize the organism. The type of fossilization that has occurred can be determined by looking at the mineralization and preservation of the fossil.

This will give clues about how the organism became a fossil.The different types of fossilization are as follows:

1. Carbonization: Carbonization occurs when the organic matter leaves a carbon imprint. The remaining matter is usually thin and flattened.

2. Petrification: Petrification occurs when minerals replace organic matter, which is preserved in its original form.

3. Molds and Casts: Molds are created when organic matter is buried in sediment. The sediment hardens, and the organism decomposes, leaving an empty space. This is called a mold. Casts are created when the mold is filled with minerals or sediment.

4. Trace Fossils: Trace fossils are created by organisms that leave behind impressions or tracks. These include footprints, burrows, and bite marks.

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Answer:

The cardiovascular system includes the heart and blood vessels.

The urinary system consists of the Kidneys.

The blood  circulation through the blood vessels and the excretion through the kidneys are all a part of human systems.The organ system that includes the heart and blood vessels is circulatory system and the organ system includes the kidneys are called as excretory system.

Blood vessels are of two types one is arteries and one is veins.

Heart along with the blood vessels along with the capillaries take up the blood from heart and carry out oxygenated blood to various cells of the human  body where as the deoxygenated blood is taken up by the veins that is  taken out from every cell of the body.

Excretory system involved kidneys and the filtration is involved in it where the urine is excreted out along with the absorption of nutrients from the material that is to be transported in the human body.

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Answer:

ok it is d

Explanation:

Answer:

During transcription, the enzyme RNA polymerase (green) uses DNA as a template to produce a pre-mRNA transcript (pink). The pre-mRNA is processed to form a mature mRNA molecule that can be translated to build the protein molecule (polypeptide) encoded by the original gene.

Explanation:

The researchers could isolate and grow a particular virus from Jimena's blood through the following procedure: The process of isolating and growing a particular virus from Jimena's blood is called virus cultivation.

Researchers begin by collecting a blood sample and treating it with a substance that ruptures the host cells while leaving the viral particles intact. After that, they transfer the suspension to a suitable host cell and incubate it. The host cell is used to propagate the virus. If the virus reproduces, it is allowed to infect the host cells. Then the infected cells are checked regularly to see how the virus is doing in the host cell.  This enables the researchers to research the virus and take measures to protect people from being infected by it.

Researchers can isolate and grow a particular virus from Jimena's blood by following several steps. First, they would collect a blood sample from Jimena. Next, they would separate the blood components, such as plasma and red and white blood cells, to identify the presence of the virus. Once they have located the virus, they would extract it from the blood sample.

To grow the virus, researchers would then introduce it into a suitable cell culture or host organism, which provides the necessary environment for the virus to reproduce. They would monitor the growth of the virus and collect new viral particles as they are produced. Throughout this process, researchers would ensure the cell culture or host organism is kept under controlled conditions, such as temperature and humidity, to optimize viral replication.
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The term incomplete dominance refers to a genetic inheritance pattern in which the heterozygous offspring's phenotype is somewhere between the two homozygous parental phenotypes. This means that neither trait is completely dominant over the other.

With that said, let's find out what the phenotypes of the parents are.A cross between two sweet pea plants produced 39 plants with pink flowers, 18 with white flowers, and 19 with red flowers. It's safe to say that the two parents had different flower colors. Let's call the two parents "P" and "p."The F1 generation of the two parents would be Pp, which resulted in incomplete dominance and the production of pink flowers.

Let's call the pink-flowered plants "pp." Thus, the two parents' genotypes are Pp and Pp. The phenotype of one parent must be pink, which means the Pp parent must have the pink flower gene. For the other parent, either the red or white flower genes must have been present. As a result, we can assume that the Pp parent was pink, and the other parent was either red or white. Hence, the phenotypes of the parents are pink and either red or white.

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Answer:

C

Explanation:

Answer:

Alligators play an important role in maintaining ecosystem balance. Sitting at the top of the food chain, alligators are apex predators and help keep other animal populations in balance. By digging holes and leaving trails throughout marshes, they create habitats for fish and marine invertebrates.

Explanation: