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Brut [27]
3 years ago
5

Which of the following best describes the function of the human nervous system? A. The nervous system transports oxygen and nutr

ients to the body's tissues. B. The nervous system collects and responds to information about the internal and external environment. C. The nervous system protects the body against infection and helps regulate body temperature. D. The nervous system protects internal organs and assists with movement.​
Biology
1 answer:
Andreas93 [3]3 years ago
3 0
B. The nervous system collects and responds to information about the external and internal environment.
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The correct answer will be-gas absent in primordial atmosphere (oxygen).

Explanation:

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Same conditions were created to the unstable atmosphere like a mixture of gases which included- methane, sulfur dioxide and hydrogen but lacked oxygen as it was absent in the primordial atmosphere.

Thus, gas absent in the primordial atmosphere (oxygen) is the correct answer.

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Match each decimal number to its equivalent in scientific notation.
sdas [7]
<h3>Answer</h3>

15 = 1.5 × 10^1

1.5 =1.5 × 10^0

0.015 = 1.5 × 10^-2

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<h3>How to convert to scientific notation</h3>
  1. Move the decimal point in your number until there is only one non-zero digit to the left of the decimal point. Let says it is X
  2. Count how many places you moved the decimal point. Let say it is Y.
  3. If you moved the decimal to the left b is positive.
  4. If you moved the decimal to the right b is negative.
  5. If you did not need to move the decimal b = 0.
  6. Write your scientific notation number as X x 10^Y.
4 0
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What are the characteristics of the genetic code of humans
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Answer:

The genetic code has four main features: Three nucleotides/bases encode an amino acid, there are 20 different amino acids which are the building blocks for proteins. The genetic code is non-overlapping

Explanation:

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