Density = mass/volume
X = 10/50
X=.2
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: 4
Explanation:
It is composed of a cell, but does not have
tissues.
Answer:
"nucleic acids", "deoxyribose sugar, and the "phosphate"
The fingers are located distal, or away from the body, to the wrist bones.