The alternating stripes of magnetic field patterns are used to explain ____.?
a. ?seafloor spreading
b. ?island chains
c. ?transform faults
d. ?stratovolcanoes
e. ?oceanic trenches
ANSWER: a
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Answer the following statement true (T) or false (F)
The age of the Earth is:
a. 12.6 billion years. b. 12.6 million years. c. 4.6 billion years. d. 4.6 million years. e. 10,000 years
The term used to describe species that are remotely related, yet resemble each other in shape because their traits were independently selected by environmental conditions ____
A) ?convergent evolution B) ?speciation C) ?divergent evolution D) ?natural selection
Clouds take on three distinctive shapes. What are they, and what do they look like?