Which pie graph correctly shows the percentage of elements by volume in Earth’s troposphere?


Answer: A.

Environmental & Atmospheric Sciences

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Where has the deadliest political and ethnic conflict, with an estimated war-related 5 million deaths, in the region been?

A) Kenya B) Ivory Coast C) South Africa D) Democratic Republic of the Congo E) Uganda

Environmental & Atmospheric Sciences

The balance of gravitational and buoyant forces acting on the crust determines its

A) weight. B) vertical position. C) mass. D) plasticity.

Environmental & Atmospheric Sciences

Which of the following is a pull factor for urban growth?

A. High unemployment in cities B. Better access to education at big universities C. Unemployment in farming communities D. Jobs in rural manufacturing E. None of these is a pull factor for urban growth

Environmental & Atmospheric Sciences

Rapid cooling of magma results in a(n) ____________________-grained texture called

____________________. Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences