In some radioactive nuclei, a
neutron can change into an
electron and a proton. The
electron leaves the nucleus,
but the proton does not. What
happens to the identity of the
atom when this happens？

when it's short and dry.

because the light is a great source of energy for the plants to survive. (i hope this )

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