After what age do the bone eating cells get the upper hand on the bone building cells, making the bones more fragile? * 20 years old
40 years old
50 years old
30 years old
60 years old

the answer is a) a shiprock was formed by igneous process

atp is used for energy.

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.