the earth and moon are separated by a center-to-center distance of 3.85 x 108 m. the mass of the earth is 5.98 x 1024 kg and that of the moon is 7.35 x 1022 kg. how far does the center of mass of the earth-moon system lie from the center of the earth?

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Afarmer began a new method of reducing grain spills. this reduced the number of mice on the farm. the number of snakes in the surrounding area decreased at the same time. the snakes depended on the mice that lived in the field. what’s the likely reason the snake population decreased? a. the number of snake predators increased. b. the number of mice increased. c. the number of mice decreased. d. the pesticides affected the snakes. e. a new breed of mice moved into the field.

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