How can you tell apart volcanic and plutonic rocks?
A) Look at their fracturing properties.
B) Volcanic rocks are fine grained; plutonic rocks are coarse grained.
C) Volcanic rocks are colder than plutonic rocks.
D) Volcanic rocks are older than plutonic rocks.
Answer: B
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Earth's solid portion is divided into concentric layers of rock and other materials that may be solid,
liquid, or partially molten. From the center to the surface, these are known as the inner ____________________, outer ____________________, ____________________, and ____________________. Fill in the blank(s) with the appropriate word(s).
When warm air from the Gulf of Mexico meets cold, dry air from the artic in the Great Plains the result is what?
A) Thunderstorms and tornadoes B) A lack of snowfall in winter C) Chinook winds D) El Niño
North America and Japan both have an automated early earthquake warning system.
Indicate whether the statement is true or false.
The largest, longest-running citizen-science project in the world is
A. FrogWatch USA B. Great Backyard Bird Count C. Project Feeder Watch D. Sea Turtle Tally E. Christmas Bird Count