is energy that uniformly fills the entire universe. A) Cosmic force field
B) Cosmic background radiation
C) X-ray radiation
D) Light energy

helicase, i think thats it

1)

i))the process of preparing food by green plants in the presence of sunlight is called photosynthesis.

ii) leaf is the site for photosynthesis.

iii) it takes place as,

6h2o+6co2=c6h12o6+602