D) It is done with a machine. of a
42. The gravitational potential energy
cucumber-Earth system changes when
which factor changes?
A) the cucumber's speed
B) the cucumber's mass
C) the cucumber's temperature
D) the cucumber's length
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Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water

Some plants have reproductive structures that them reproduce using natural forces or animals. how does the reproductive structure shown here ensure the reproductive success of plants?

When it is summer at the south pole, a. the northern hemisphere is tilted toward the sun. b. the southern hemisphere is tilted away from the sun. c. the northern hemisphere is tilted away from the sun. d. both the southern and northern hemispheres are tilted toward the sun.