Answer:
The liquid in the lake changed phase, either from liquid to gas (evaporated) or from liquid to solid (froze). Both of these changes involve a change in the freedom of movement of the molecules. As liquid, molecules of the lake moved around each other.
Explanation:
T, it would show how the pres. got to get elected!
By directing light beams to meet at a focal point
Answer:
What increases the frequency of adaptive mutations? = hitch-hiking.
Explanation:
the mutator allele increases in frequency by hitch-hiking, thus facilitating the appearance of a second adaptive mutation