I think the answer your looking 4 is B
HOPE THIS HELPS
#Optimist
It is needed by all living things and every living cell to carry out life processes, such as breaking down and building up molecules, and transporting many molecules across cell membranes. The form of energy that living things need for these processes is chemical energy, and it comes from food.
A volatile acid can leave the solution and enter the atmosphere
The answer is Triton.Triton <span>is the largest of Neptune's </span>satellites. Triton is unique as it is the only large moon in the Solar System with a rotation opposite that of its planet. The surface of Triton is mostly frozen nitrogen, with a water-ice crust and a rock and metal core.
