<span>Scientists choose where are units of time began and ended based on major changes in life forms at certain times</span>
She chose to hide her pregnancy from her family because she is scared of the outcome if they find out.
As you travel from the North Pole toward the equator, you would expect to see tundra; grasslands; tropical rain forest. The correct option among all the options that are given in the question is the first option or option "a". I hope that this is the answer you were looking for and it has come to your help.
