Enter reading in grams with correct precision

Enter Y (g) = ​

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

it should be d) transitional fossils.

they show the gradualism of evolution throughout a period of time

that's all i luck!