Which essential gas is often in an unusable form in the ocean and atmosphere? a. nitrogen b. ...

Author Question: Which essential gas is often in an unusable form in the ocean and atmosphere? a. nitrogen b. ... (Read 15 times)

Engineer

Hero Member
Posts: 527

on: Aug 22, 2018

Which essential gas is often in an unusable form in the ocean and atmosphere?
a. nitrogen
b. oxygen
c. carbon dioxide
d. methane
e. hydrogen

Question 2

What is a primary source of oxygen to ocean surface water?
a. decay of marine organisms
b. photosynthesis
c. chemosynthesis
d. respiration from bacteria
e. large quantities of organisms

akpaschal

Sr. Member
Posts: 342

Reply #1 on: Aug 22, 2018

Answer to Question 1

a

Answer to Question 2

b

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