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stealth61 [152]
3 years ago
7

Hey y'all can you help me with a biology question, would really appreciate it :)

Biology
1 answer:
jekas [21]3 years ago
5 0

B. Chitin- its a hard and tough substance that occurs widely in nature, particularly in the shells (exoskeletons) of arthropods such as crabs.

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Modern society-dependent on manufacturing sector for income

Hunter-gather society-dependent on wild plants and animals for their sustenance

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

15 = 1.5 × 10^1

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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.
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Scientific evidence documents the pattern of evolution. The evidence exists in a variety of categories, including direct observa
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Direct observation of evolutionary change: creation of drug-resistant bacteria.

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