What is the greatest source of oxygen in deep water? A) The ...

[theo]

What is the greatest source of oxygen in deep water?
 A) The respiration from bacteria
  B) The lack of large quantities of organisms
  C) Chemosynthesis
  D) Polar waters that have sunk from the surface

Question 2

Why was Alfred Wegener's idea of continental drift dismissed?
 A) Someone else had already introduced his idea to the scientific community.
  B) Many of his evidences did not support drifting continents.
  C) Continents have not moved since Earth was created.
  D) The evidence at the time seemed to suggest a solid mantle that did not allow drifting of continents to be possible.

[sarajane1989]

Answer to Question 1

D

Answer to Question 2

D

[theo]

TY

[sarajane1989]

You're welcome