If we increase our use of fossil fuels, will more people get skin cancer?
A) Yes, because the increased CFC gas will cause an increase of cancer-causing UV radiation.
B) Yes, because the increased atmospheric temperature will result in more cancer-causing sunburns.
C) No, because the increased CO2 will not cause an increase of cancer-causing UV radiation.
D) Yes, because the increased CO2 will cause an increase of cancer-causing UV radiation.
E) No, because the increased CFC gas will not cause an increase of cancer-causing UV radiation.
C
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Rapidly increasing demands for natural resources, employment, education, and social services make any attempts to protect natural resources and improve living standards very difficult
What will be an ideal response?
Which of the following objects is experiencing Earth's gravitational force?
A. a skydiver falling under the force of gravity B. an airplane taking-off C. a boat floating in water D. All of these choices are correct. E. Only an airplane taking-off and a skydiver falling under the force of gravity above.
When a cannon fires a cannonball at a given speed, the smaller recoil speed of the cannon is due to differences in
A) forces. B) times. C) masses. D) momenta.
A single slit forms a diffraction pattern with monochromatic light. The 4th minimum of the pattern occurs at an angle of 35° from the central maximum. How many bright bands are on each side of the central maximum?
A) 5 B) 4 C) 6 D) 7 E) 8