energy

Question 1

where does energy come from

Answer 1

the sun and by breaking stuff
energy is stored in all bonds of molecules in sugar.

Question 2

photosynthesis

Answer 2

the process of converting light enegy in to chemical energy and storing it in the bonds of sugar molecules
plants need only light energy, carbon dioxide and water to make sugar

Question 3

aerobic respiration

Answer 3

glucose+ oxygen - > carbon dioxide+ water ( + energy)

Question 4

anaerobic respiration