Can you put these steps of dna replication in the right order please ?

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

d. planting trees

the trees take in carbon to make oxygen.

the answer is c.

by: nicholas dooley

a. 35°c

b. 25°c

c. 10°c

d. 40°c