PLZ HELP Which statement describes an effect of large asteroid and comet impacts?A. They may cause continents to move. B. They may cause small craters on Earth’s surface. C. They may cause changes limited to within the crater. D. They may kick up dust and pollute Earth’s atmosphere.

What is the relationship between asteroids comets and impact craters?

Comets and asteroids strike the Earth and Moon at a wide range of impact speeds, with 20 kilometers per second being typical. Such a high-speed impact will produce a crater that is 10 to 20 times larger in diameter than the impacting object.

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explanation:

the more fit you are, the faster the recovery. your heart rate drops most sharply in the first minute after you stop exercising; it should then fall about 20 beats a minute—a drop of less than 12 beats a minute is considered abnormal. this “recovery heart rate” is measured as part of an exercise stress test.