Question

please tell answers of these questions please

Answer 1

2 . here is your answer :

conditions necessary for photosynthesis are -
presence of sunlight
presence of water
presence of carbon dioxide
presence of oxygen

equation = 6CO2 + 6H2O + sunlight = > C6H12O6 + 6O2

Sorry I can't write all the answers so I have written only one and hope that this will help you

Answer 2

Villi helps in absorbing more nutrients in the food