Eight natural elements compose 98.5% of the Earth's crust by weight. Which of the following is not one of those elements?
A) potassium B) nitrogen C) oxygen D) aluminum E) silicon.
B
Environmental & Atmospheric Sciences
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On Earth, the Sun passes directly overhead at 25° north latitude ________ times a year
A) 0 B) 2 C) 1 D) 4
Environmental & Atmospheric Sciences
One of the problems associated with the desalination of water for irrigation applications is the cost.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences
What is not a factor in the amount of light penetrating the ocean?
A) The angle at which the light approaches the Earth B) The surface turbulence of the ocean C) The amount of light absorbed by clouds D) The presence of ice or foam on the surface
Environmental & Atmospheric Sciences
Which of the following is a social factor that influences population distribution?
A) Climate B) Famine C) Hurricane Katrina D) Taxation E) Migration
Environmental & Atmospheric Sciences