Human ancestral remains appear quite late in the geologic record, within only the last 3 to 4 million years.
Answer the following statement true (T) or false (F)
True
Environmental & Atmospheric Sciences
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Which occupies the smallest percentage of the electromagnetic spectrum?
A. Visible light. B. Gamma rays. C. Radio waves. D. Microwaves.
Environmental & Atmospheric Sciences
The Galápagos Islands, a unique ecosystem attracting large numbers of tourists, are part of
A. Peru. B. Ecuador. C. Chile. D. Panama.
Environmental & Atmospheric Sciences
Strike-slip faults ____________.
a) are faults where no movement has yet occurred b) have mainly horizontal movement c) have mainly vertical movement d) are low angle reverse faults e) none of these
Environmental & Atmospheric Sciences
What do the solid particles of a stream include?
A)bed load only B)suspended load only C)solution load only D)bed load and suspended load E)suspended load and solution load
Environmental & Atmospheric Sciences