What is the expected outcome of adding a catalyst to a chemical reaction?
a. the reaction will speed up.
b. chemical equilibrium will not be reached.
c. the reaction will slow down.
d. no change will occur.

50% lit on the left side

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