Sea turtles dig holes on coastal beaches

and lay their eggs in the hole. The

mothers then retreat back to the ocean.

Based on this, sea turtles could be

considered -selected.

A. K

B. s

C. I

D. r

the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers

actually the answer is c

answer biotechnology;