[Answered] Coral reefs are made of: a. volcanic rock. b. metamorphic rock. c. gravel-sized marine sediments. ...

This topic contains a solution. Click here to go to the answer

Author Question: Coral reefs are made of: a. volcanic rock. b. metamorphic rock. c. gravel-sized marine sediments. ... (Read 183 times)

B

Hero Member
Posts: 570

on: Aug 7, 2018

Coral reefs are made of:
a. volcanic rock.
b. metamorphic rock.
c. gravel-sized marine sediments.
d. seaweed.
e. limestone skeletons of tiny marine animals.

Question 2

The world ocean covers what percentage of Earth's surface?
a. 1
b. 21
c. 51
d. 71
e. 91

Need homework help now?

Ask unlimited questions for free

Ask a Question

Marked as best answer by a Subject Expert

Mollythedog

Sr. Member
Posts: 340

Reply #1 on: Aug 7, 2018

Answer to Question 1

E

Answer to Question 2

D

B

Hero Member
Posts: 570

Reply #2 on: Aug 7, 2018

Thank you!

Mollythedog

Sr. Member
Posts: 340

Reply #3 on: Aug 7, 2018

Always glad to help...

« previous next »

Did you know?

Your heart beats over 36 million times a year.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

The longest a person has survived after a heart transplant is 24 years.