Which of the following gases is an efficient absorber of the earth's emitted energy?

A) carbon dioxide
B) oxygen
C) nitrogen
D) argon
E) none of the above


A

Environmental & Atmospheric Sciences

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Which of the numbered features is a lahar?



A) 1
B) 2
C) 3
D) 4
E) 5

Environmental & Atmospheric Sciences

Judge the following sentence according to the criteria given below: Economically exploitable deposits

of aluminum are restricted to a few highly localized geological sites BECAUSE bauxite only forms when volcanic activity vents fluids to the surface as black smokers. a. The assertion and the reason are both correct, and the reason is valid. b. The assertion and the reason are both correct, but the reason is invalid. c. The assertion is correct, but the reason is incorrect. d. The assertion is incorrect, but the reason is correct. e. Both the assertion and the reason are incorrec

Environmental & Atmospheric Sciences

A scientific theory is a tentative or untested explanation that is proposed to explain scientific observations

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Which of the following CANNOT be found in soil?  

A. Fungus and algae B. Insects and bacteria C. Algae and bacteria D. Insects and fungus E. All of these are found in soil

Environmental & Atmospheric Sciences