Decreases.....as the heavier molecules gets near earth surface and lighter ones gets above them ..
Gymnosperms are non-flowering plants with cones. They produce their seeds in cones.
Answer:
Complex organic food molecules such as sugars, fats, and proteins are rich sources of energy for cells because much of the energy used to form these molecules is literally stored within the chemical bonds that hold them together.
In cellular respiration, electrons from glucose move gradually through the electron transport chain towards oxygen, passing to lower and lower energy states and releasing energy at each step.