Oxygen (O2) is being added to the atmosphere by ________

A) solar radiation
B) animal decomposition
C) meteorites
D) vegetation
E) the burning of coal


Answer: D

Environmental & Atmospheric Sciences

You might also like to view...

In which of the following countries does one expect the fastest population growth?

A) Denmark B) Germany C) New Zealand D) Russia E) Guatemala

Environmental & Atmospheric Sciences

Which of the following elements might be the fuel in a fusion reaction?

A) helium B) hydrogen C) iron D) uranium

Environmental & Atmospheric Sciences

Tyco Brahe set out to disprove Copernicus, so why is he famous for developing modern astronomical theory?

A) He theorized the concept of gravity with no data, which was left undiscovered until Newton. B) Although he set out to disprove Copernicus, he ultimately accepted Copernicus' theory and was executed by the inquisition. C) He made very precise measurements that were key data used by Kepler. D) None of these is correct.

Environmental & Atmospheric Sciences

Which of the following is the standard unit of ocean depth?

A) Mile B) Fathom C) Foot D) Meter E) League

Environmental & Atmospheric Sciences