The atmosphere of which of the following planets is composed primarily of carbon dioxide?

A. Earth
B. Mars
C. Jupiter
D. Uranus


Answer: B

Environmental & Atmospheric Sciences

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In AMP, ADP and ATP, what type of linkage connects the phosphate to the sugar?

A) an anhydride B) an ester C) an ether D) none of these

Environmental & Atmospheric Sciences

Which of the following is true of eutrophication in marine ecosystems?

A) Eutrophication aids the ecosystems by providing needed limiting nutrients, such as phosphorus. B) Eutrophication can kill fish. C) Eutrophication can aid corals by killing parasites. D) Eutrophication is rare and occurs only in bad weather.

Environmental & Atmospheric Sciences

What is the current approximate population of the world?

a. 7 million b. 10 million c. 5 billion d. 7 billion e. 10 billion

Environmental & Atmospheric Sciences

The reprocessing of nuclear fuel ________

A) is widely practiced in the United States B) requires the heavy use of lead and iron ore C) reduces and reuses the stockpile of nuclear waste D) requires additional mining of uranium

Environmental & Atmospheric Sciences