The mechanism that drives plant growth is photosynthesis and photosynthesis requires light for energy and CO2 to drive the chemical reactions.
(The mechanism; drives; plant growth) (The mechanism that drives plant growth; is; photosynthesis and photosynthesis) (The mechanism that drives plant growth; requires; to drive the chemical reactions)
The mechanism The mechanism that drives plant growth The mechanism that drives plant growth
drives is requires
plant growth
photosynthesis and photosynthesis
to drive the chemical reactions