Which of the following compounds contains ionic bonds?

A. OF2
B. K2O
C. CH4
D. Cl2
E. none of the above


Answer: B

Environmental & Atmospheric Sciences

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Fast moving currents of air found near the top of the troposphere are called ________

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

Evolution by _____________ occurs when the genetic makeup of a population changes over time as individuals that survive changes in environmental conditions pass that genetic advantage onto their children.  Hint : two words

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

Environmental & Atmospheric Sciences

An El Niño event would be expected to produce ____

a. dry conditions in Peru b. rains and floods in Australia c. dry conditions in Washington and Oregon d. rains and floods in Japan e. rains and floods in Mexico and California

Environmental & Atmospheric Sciences

In accordance with the pressure gradient,

A. air is less tightly packed in high pressure zones and moves toward low pressure zones. B. air is more tightly packed in high pressure zones and moves toward low pressure zones. C. air is less tightly packed in high pressure zones and moves away from low pressure zones. D. air is more tightly packed in high pressure zones and moves away from low pressure zones.

Environmental & Atmospheric Sciences