The Emancipation Proclamation, it freed all slaves in America.
The answer is
(B)
Since Prairie dogs provide both shelter and increased prey abundance,
when prairie dogs and their habitat decline, it causes a decline in
burrowing owl numbers. If fewer prairie dogs remain to
create and maintain these unique patches of habitat, the burrowing owl somewhat
declines and becomes endangered with time.
<span>C. geology
all of the others are about space and oceans, also, can you please try answering my latest question
</span>
It is called as "Plate Tectonics".
The answer is C.dense, as the snow compacts with with persistent snowfall.