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
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Define a "primary key."
What will be an ideal response?
Environmental & Atmospheric Sciences
Low 1000-500 mb thicknesses correspond to cold air, while high thicknesses correspond to warm
air. a. true b. false
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
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