An asteroid is a celestial body. a large number of asteroids form a doughnut-shaped ring in space called the main asteroid belt. which planets’ orbits is the belt located between?

cell division is not regulated in tumor cells.

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