What is the basic subunit of elements?
A) molecules B) neutrons C) protons D) electrons E) atoms
Answer: E
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A mass of ice on land that moves by plastic flow and basalt slip:a
cirque d. outwash b. glacier e. varve c. moraine
The weathering of limestone can create circular depressions known as
A) uvalas. B) stalactites. C) sinkholes. D) caverns.
Considering their large Muslim populations, pastoral nomad traditions, and petroleum reserves, the central Asian countries are similar to the Middle East
a. True b. False Indicate whether the statement is true or false
Release of large numbers of eggs into the water column is an adaptation to cope with which of the following adverse conditions of the rocky intertidal zone?
A) Difficulty finding mates B) Drying out during low tide C) Lack of space or attachment sites D) Predators E) Strong wave activity