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Author Question: Coral reefs are made of ____. a. volcanic rock b. gravel-sized marine sediments c. seaweed d. ... (Read 150 times)

WWatsford

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on: Jul 13, 2018
Coral reefs are made of ____.
 
 a. volcanic rock
  b. gravel-sized marine sediments
  c. seaweed
  d. limestone skeletons of tiny marine animals

Question 2

Cinder cones typically ____.
 
 a. have several fissures
  b. erupt as lava flows
  c. are composed of tephra
  d. form the largest type of volcano


momo1250

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Reply #1 on: Jul 13, 2018
Answer to Question 1

d

Answer to Question 2

c


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