I am pretty positive that it's A. That was 95% a guess though.
Answer:
我對此有什麼要回答的?
告訴我我如何為您提供幫助,因為只有一個例子,我不知道該怎麼回答
Explanation:
As we age, our immune systems develop defenses against antigens and fights off lots of infections which could harm us.Our body makes lots of T cells when we are young, but slows down production after puberty. Nevertheless, the numbers of these cells in our body stays the same even when we are old. Our body changes in aging process like composition and structural elements of tissues, gone through puberty, your hormones increase, also your metabolismm developed rapidly, structure of your bones developed, etc.
I think its 60 million dollars , hope I helped
Answer:
70%
Explanation:
the West African interior and the far west coast of the continent