When babies are born, their brains contain about a hundred billion of neurons. However, a few of these brain cells are connected. At age three, there are one thousand trillion connections formed. The brain starts to cut off unused connections at the age of eleven.
Answer:
3. A 2. B. 1. B
Explanation:
Im not to sure about 1. but other than that your good sorry if this didn't help
Answer:
In the eukaryotic cell division the cell synthesizes mRNA and proteins in preparation for subsequent steps leading to mitosis.
Answer:
no it is a chemical that we drnik
Explanation: