Some time in Earth's past, carbon dioxide was an abundant gas in the atmosphere. The primary reason for its subsequent decline was:


Ans: d. cycling into the ocean, sediments, and bedrock.

Environmental & Atmospheric Sciences

You might also like to view...

Low 1000-500 mb thicknesses correspond to cold air, while high thicknesses correspond to warm

air. a. true b. false

Environmental & Atmospheric Sciences

Which type of mineral deposit is associated with a black smoker?

A. A layered intrusion B. A vein deposit C. A massive sulfide deposit D. A disseminated deposit

Environmental & Atmospheric Sciences

The Asian region can be divided into three principal subregions; which of the following is NOT one of three principal subregions of Asia?

a. East b. South c. Southeast d. North

Environmental & Atmospheric Sciences

Define a "primary key."

What will be an ideal response?

Environmental & Atmospheric Sciences