____________, the desalination method that involves boiling, uses a great deal of energy, making it a very expensive
process. Fill in the blank(s) with the appropriate word(s).
Distillation
Environmental & Atmospheric Sciences
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Barrier islands are ____
a. perpendicular but attached to the shore b. parallel but separate from land c. broad and offshore d. part of the mainland e. migrating away from shore as sea level rises
Environmental & Atmospheric Sciences
Glacial striations, roche moutonées, and drumlins allow scientists to identify the direction of glacial movement
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
The Appalachian Mountains were formed when ________ and ________ collided more than 250 million years ago
A) North America; Africa B) Africa; Europe C) South America; Africa D) Australia; Asia
Environmental & Atmospheric Sciences
Which element accounts for the largest percentage of the earth's crust?
A) carbon B) nitrogen C) oxygen D) silicon
Environmental & Atmospheric Sciences