without photosynthesis there would be no life on earth... therefor you would not exist.
Yes, plants need water for photosynthesis: 6CO2 + 6H2O = C6H12O6 + 6O2
plants need sun water and carbon gas to go through photosynthesis
if photosynthesis is to take place you need light.
Carbon dioxide Is another thing plants need for Photosynthesis!:)
they need sun, co2, oxygen, water... i think that's all.
photosynethesis needs to happen beacause in order for the animals and the humans to livewe need photosynthesis or this to happen.
Photoautotrophs need water, carbon dioxide, and light energy in order to power photosynthesis.
Plants need sunlight, water, and carbon dioxide to carry out photosynthesis effectively.
For energy
Sunlight!
to grow
yeh