QUIZ FOR YOU! Correct gets brainliest.
5) The chin-up bar arrived in one package
Observation
Inference
6) The chin-up bar us set too high
Observation
Inference
Larson cartoon :)

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