What is mantle convection?
a. cool matter rises and heats up and then falls and cools again and again, sometimes it will be erupted out of volcanoes
b. cool matter falls and heats up and rises and cools again and again, sometimes it will erupt out of volcanoes
c. cool matter rises and cools even more and then falls and heats up again and again, sometimes erupting from volcanoes

It is reasonable to assume that the bulk modulus of blood is about the same as that of water (2.2 gpa). as one goes deeper and deeper in the ocean, the pressure increases by 10000 pa for every meter below the surface. if a diver goes down 80.0 m in the ocean, by how much does each cubic centimeter of her blood change in volume? give the answer in cubic centimeters (actually one cubic centimeter equals one milliliter).