Global warming due to the greenhouse effect may be Global warming due to the greenhouse effect may be moderated by photosynthesis, which removes carbon dioxide from the atmosphere.

a. reduced by the burning of fossil fuels, which removes oxygen from the atmosphere.
b. made worse by photosynthesis, which adds carbon dioxide to the atmosphere.
c. of little concern, since it is part of the normal cycle for the planet.

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.