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Cerrena [4.2K]
3 years ago
12

Soil texture is determined by the amount and distribution of mineral particles. T or F

Biology
2 answers:
lisov135 [29]3 years ago
4 0
I think this is false bc soil texture can be determined be using qualitative methods such as just feeling the soil
irina1246 [14]3 years ago
4 0

Answer:

TRUE

Explanation:

Took the quiz and got it right.

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The valve that is located between the right atrium and right ventricle is the ____________.
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This would be the tricuspid valve.
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4 years ago
Describe the role of smooth muscle in two human body systems other than the cardiovascular system.
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<h2>Human Body Systems</h2>

Explanation:

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  • Cardiovascular muscle is likewise an automatic muscle yet is progressively associated in structure to skeletal muscle, and is discovered uniquely in the heart.  
  • <em>Smooth muscles move nourishment through the stomach related tract.</em>
  • In one's eye the pupillary sphincter muscles is answerable for contracting the size of the student.
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  • Heart muscles are striated not normal for smooth muscles.
  • <em>Cardiovascular muscles are found in the heart dividers and aorta while smooth muscles are found in most of blood vessels and internal organs.</em>

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3 years ago
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DNA is the hereditary molecule that determines hair color in humans. However, the DNA molecule itself is colorless. How does DNA
Tamiku [17]

Answer:DNA is the hereditary molecule that determines hair color in humans, However, the DNA molecule itself is colorless

Explanation:

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3 years ago
Substances known as _________ provoke a specific immune response so discriminating that only a single molecular fragment, called
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Answer:

Antigens, and epitopes.

Explanation:

Antigen is known as a substances which is capable of the causes an immune response in the body, and specifically activating white blood cells which are known as body's infection fighting cells. In general antigens are two types:

1) Foreign antigens or heteroantigens.

2) Auto-antigens or self antigens.

Epitopes are the part of an antigen which is recognized with the help of immune system, specifically by B cells, T cells, and antibodies. They are also called as antigenic determinants. The epitope is defined as the specific part of the antigen where an antibody binds.

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The answer is A. <span>Solar energy is a renewable resource because it can't be used up, but oil is a nonrenewable resource because it will eventually run out.</span>
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