What would happen if the rock sample pictured above was first exposed to energy from the sun and then millions of years later to energy from the Earth's interior?

Mitochondria is the cell organelle that produced the energy that is needed in the body system in form of atp, that is why it is called the power house of the cell. energy is needed by the living organisms to carry out the activities which sustain life.  if the mitochondria is destroyed atp will not be produced. if the mitochondria is destroyed, energy production will stop and the affected living organism will not have the energy to carry out the necessary life processes; this will lead to the death of the organism.

The category is the thing that is most simmilar throughout a period

4) repetitive change