As a bobbing bug approaches you in water, the waves to reach you have increased
A. speed.
B. frequency.
C. both of these
D. none of the above
Answer: B
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Which statement about the precautionary principle is accurate?
A. Manufacturers of chemicals in the U.S. strongly object to passing new laws that would apply the precautionary principle. B. Manufacturers of chemicals in the U.S. strongly favor passing new laws that would broadly apply the precautionary principle. C. Environmental scientists believe that the precautionary principle is scientifically unsound and without merit. D. The average U.S. citizen is quite knowledgeable about the precautionary principle and wants it to apply to all new chemicals.
How far away is the lightning when you see a lightning stroke and then, 15 seconds later, hear the thunder?
A. 72 km B. 24 km C. 8 km D. 5 km
Create a debate with the question; Do Canada and the United States have a moral and/or ethical responsibility to lead the world in addressing climate change?
What will be an ideal response?
A team of scientists has discovered an Earth-sized planet orbiting the star Epsilon Eridani, about 10.5 light-years from Earth. After careful calculation, the scientists estimate that the new planet has a stronger gravity field than Earth. Based upon this information, which of the following is the most reasonable hypothesis for the scientists to make about the new planet?
A. The new planet has liquid water. B. The new planet has a thicker atmosphere compared to Earth. C. The new planet has a stronger magnetic field compared to Earth. D. The new planet receives more solar insolation from its parent star compared to Earth.