What process is directly responsible for growth in living organisms?

Imagine a rocket launching from earth and travelling to the moon. in which order would the rocket pass through the layers of the atmosphere? thermosphere, mesosphere, stratosphere, troposphere troposphere, mesosphere, stratosphere, troposphere thermosphere, stratosphere, mesosphere, troposphere troposphere, stratosphere, mesosphere, thermosphere

An easy way to calculate the amount of energy available at each level is to what?

Which organelle breaks down sugar molecules that supply energy to the cell ?