Answer:
The process by which plants make food through sunlight is called photosynthesis...
B, because if you think about it, you're climbing a mountain and the mountain is at a very high elevation right? it is very cold and the pressure of the air is high. now when you go down, it gets warmer and the pressure isn't as bad.
The process that occurs in the mitochondria is cellular respiration. It is on the cristae that cellular respiration occurs, where food is converted into another usable form of energy. Most of the energy producing reaction which occur in the mitochondria, happens in the surface of the cristae.
They are further down because of superposition and faunal succession
A virus normally lies dormant, it becomes only a living organism when it invades a living system.