Answer:
I honestly think it's the second one. You could say it's the first one but that just doesn't make sense. Too much stress is what causes a strain on your body
<span>simple organic molecules can form spontaneously under conditions like those thought to prevail early in Earth's history</span>
Idk cause i cant see the whole page
Answer:
With few exceptions, all cells in a person’s body have the same DNA and genes. As cells divide and grow different genes are expressed, resulting in different cell types. As cells divide and grow different genes are expressed, resulting in different cell types.
Explanation: