Which of the following most accurately describes a compound?

A) A compound is two or more atoms held together by covalent bonds.
B) A compound is a substance that is made of more than one element.
C) A compound is a molecule that is electrically charged.
D) A compound is a combination of molecules.


B

Environmental & Atmospheric Sciences

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Fairly diverse second- and third-growth forests now exist in all parts of the United States except the

a. East b. West c. North d. South e. Northeast

Environmental & Atmospheric Sciences

Where do the strongest earthquakes occur?

A) at strike-slip faults B) at divergent plate boundaries C) at subduction zones D) along transform plate boundaries

Environmental & Atmospheric Sciences

Which event did NOT occur during and after the flooding of the Cumberland River near Nashville in the spring of 2010?

a. Levees were overtopped. b. Most of the damage was outside the floodplain. c. Over 30 people died. d. Many houses were filled with 2 m of water. e. Most people evacuated, since the failure occurred gradually.

Environmental & Atmospheric Sciences

The extent of ice sheets in North America during the last ice age can be determined, in part, by mapping terminal moraines.

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

Environmental & Atmospheric Sciences