In geologic time, humans have existed for only a very brief amount of ea history.
Answer the following statement true (T) or false (F)
True
Geologic time is immense. The Earth is 4.6 billion years old, and humans have been in existence for only 200,000 years, a very short amount of geologic time.
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Critical Thinking
According to the accompanying diagram, what percentage of U.S. commercial energy is converted to a useful form or material?
What will be an ideal response?
The fact that Japan is so well developed indicates
A. comparative advantages that do not include natural resources. B. abundant natural resources. C. strategic advantages unavailable to other east Asian countries. D. that Japan is less dependent on imported energy than China.
When did the present style of plate tectonics develop?
a. Archean b. Proterozoic c. Paleozoic d. Mesozoic e. Cenozoic
The total amount of atmospheric water remains nearly constant
Indicate whether the statement is true or false