What percent of a comet is water?

A) ten percent
B) thirty percent
C) fifty percent
D) eighty percent


Answer: D

Environmental & Atmospheric Sciences

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Which treaty officially created the European Union?

a. Maastricht Treaty b. Treaty of Rome c. Elbe Agreement d. EU Unification Treaty e. Common Market Treaty

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The ________ climate is located on the eastern sides of continents, in the 25- to 40-degree latitude range

A) humid continental B) marine west coast C) humid subtropical D) Mediterranean E) dry-summer subtropical

Environmental & Atmospheric Sciences

Which of the following describes a role that satellites cannot do?

A. They provide information about surface water temperatures. B. They provide information about the Earth-atmosphere energy balance. C. They monitor the percolation of water in soils. D. They monitor the amount of snow cover.

Environmental & Atmospheric Sciences

The variations in the composition of magmas govern whether eruptions are peaceful or explosive.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences