Author Question: Coral reefs are made of ____. a. volcanic rock b. gravel-sized marine sediments c. seaweed d. ... (Read 107 times)

WWatsford

  • Hero Member
  • *****
  • Posts: 539
    • Biology Forums!
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

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

d

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

For a complete list of videos, visit our video library