An RTG is
A. a type of bomb
B. used in hospitals for power
C. carried in pacemakers to supply power
D. carried in satellites for power
Answer: D. carried in satellites for power
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Process of Science: Explain how patterns in cosmic abundances (Figure 17.15 in the textbook) fit theoretical predictions for the origin of the elements
What will be an ideal response?
The force per unit area exerted by an electromagnetic wave is called the
A) energy density. B) power. C) intensity. D) radiation pressure. E) radiation field.
The mid-oceanic ridge systems in the Atlantic and Pacific oceans are
A) high points in the ocean basins where new crust is being made. B) the tallest features in Earth's ocean basins. C) some of the oldest rock formations on Earth's surface.
Which of the following is a "non-renewable" resource?
A) hydroelectric B) active solar heating C) wood D) photovoltaic electricity E) None of the above.