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Author Question: What comprises an arthropod's exoskeleton? A) Keratin B) Spicules C) Chitin D) None of these ... (Read 72 times)

fasfsadfdsfa

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on: Aug 22, 2018
What comprises an arthropod's exoskeleton?
 A) Keratin
  B) Spicules
  C) Chitin
  D) None of these choices

Question 2

Steep sea cliffs on erosional coasts are usually caused by ____.
 A) exposure of these features due to a drop in sea level
  B) deposition of large amounts of sediment by waves
  C) glacial erosion
  D) the collapse of undercut notches of exposed bedrock


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Edwyer

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Reply #1 on: Aug 22, 2018
Answer to Question 1

C

Answer to Question 2

D


fasfsadfdsfa

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Reply 2 on: Aug 22, 2018
Wow, this really help

recede

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Reply 3 on: Yesterday
Excellent

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