What is country rock?
A. Any coarse-grained igneous rock
B. An igneous intrusion that reaches the Earth's surface
C. Older rock through which a younger igneous body intruded
D. Any light-colored igneous rock
E. A general term for the most common rock within a geographical area
Answer: C
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A) a net improvement of the quality and area of cropland. B) a net decline in the overall quality of cropland. C) the loss of more than 5% of land to the construction of new lakes and dams for electrical generation. D) a loss of more than 7% of land mass due to rising ocean levels.
When a Doppler radar has collected data, the returning signal is amplified and displayed on a screen, producing an image, also called a(n)____________________, from the target.?
Fill in the blank with correct word.
The source of the Sun's energy is ________
A) nuclear fission B) heat of contraction C) potential energy D) chemical burning E) nuclear fusion
A Coprolite is fossilized dung.
a. true b. false