Which of the following occurs when an acid reacts with an active metal?
A) The metal is oxidized.
B) H+ is reduced.
C) both a and b
D) neither a nor b
C
Environmental & Atmospheric Sciences
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High-pitched sound has a high
A. speed. B. rate of vibration. C. both of these D. neither of these
Environmental & Atmospheric Sciences
Changes in the basic sector itself are called ________ effects
Fill in the blank(s) with correct word
Environmental & Atmospheric Sciences
In the Af climates,
a. only winter months receive more than 2.4 inches of precipitation. b. only summer months receive more than 2.4 inches of precipitation. c. all months receive more than 2.4 inches of precipitation. d. total annual rainfall must exceed 71.6 inches.
Environmental & Atmospheric Sciences
______________ is the decayed remains of plant and animal material that have been partially transformed by bacterial action
Fill in the blank(s) with correct word
Environmental & Atmospheric Sciences