How long ago did the big bang catalyze the beginning of the universe?
a. 13.7 billion years ago
b. 1.37 billion years ago
c. 4 billion years ago
d. 40 million years ago
e. 5 million years ago
ANSWER: a
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Benthic organisms that move through or live in the sediment are called ____________________. Fill in the blank(s) with the appropriate word(s)
The rain associated with a hurricane:
A) always leads to torrential flooding, no matter where the hurricane makes landfall. B) is only threatening in the immediate area where the hurricane makes landfall. C) can often bring benefits that outweigh the losses. D) is never associated with deaths in a hurricane.
Which of the following is an example of matter?
A) the light of a flame B) the sound of thunder C) the air you breathe D) None of these is matter.
The most dangerous type of volcano is a
A. huge shield volcano. B. cinder cone whose magmas are interacting with groundwater. C. cinder cone. D. composite volcano.