Because unequal heating of Earth's surface generates these pressure differences, ________ is/are the ultimate energy source for most wind.
A) caves
B) hot springs
C) solar radiation
D) the greenhouse effect
Ans: C) solar radiation
You might also like to view...
Which of the above sections of this molecule would be considered to be the aromatic portion of the molecule?
A. a B. b C. c D. a and b E. all of the above
The temperature at which specific humidity equals saturation specific humidity is known as the ________
Fill in the blank(s) with the appropriate word(s).
What are reserves?
A) quantities that are known and available for exploitation with current technologies at current prices B) substances that are known to exist, but are held back to save them for the future C) estimates of the quantities likely to be discovered with greater exploration D) all substances that may someday be used E) resources that have been mined, but are currently in storage and will be utilized when prices rise
The species that are generally most vulnerable to human impact are ________
A) keystone species B) K-selected species C) producers D) competitive species E) decomposers