Which statement is true about earth's poles?
a. geographic poles are defined by earth's rotation.
b. magnetic poles are defined by earth's rotation.
c. earth's geographic south pole moves about 10 km each year.
d. earth's south magnetic pole is aligned with its geographic south pole.

The poles cannot move 10 km a year because they are connected to earth which moves way more than that

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.