What describes the time of year when the length between sunrise and sunset is the longest?

The summer solstice is when the length between the sunrise and sunset are the longest. The longest day of the year (the day with the most sunlight) is in the summer

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.