Answer: A
Explanation:
Our universe was born from the Big Bang about 13.5 billion years ago. ... Our solar system began forming about 4.6 billion years ago within a concentration of interstellar dust and hydrogen gas called a molecular cloud. The cloud contracted under its own gravity and our proto-Sun formed in the hot dense center.
Can you give all of the characteristics of the atom carbon?
The semilunar valve is usual peacemaker
Differentiated cell and tissues can not make a new cell.
So, this includes parenchyma, phloem, <span>xylem.
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