The age of the oldest ocean floor is approximately:
a. 4,000 years
b. 15 billion years.
c. 4 billion years.
d. 180 million years.
d
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Does an ionic bond have a dipole?
A. No, but the electrical charges are relatively strong. B. No, dipoles are only found in covalent compounds. C. Yes, but for ionic compounds, they are referred to as monopoles. D. Yes, the ionic bond is an example of a very strong dipole.
The wind around a surface high pressure center in the Northern Hemisphere blows ____ the center
A) counterclockwise and outward from B) counterclockwise and inward toward C) clockwise and outward from D) clockwise and inward toward
"B" type climates generally occur
A. beneath sinking air. B. along the equator. C. along the Gulf Stream. D. near the poles.
Why do many countries feel Russia's supply of oil and natural gas to be unreliable?