The pelvic bones are attached to which of these
bones? Check all of the boxes that apply.
tibia
femur
humerus
bones of the spine
DONE

 b.) femur

                d.)  bones of the spine

Explanation:

got it right on Edge.

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

dont know just give me brainliest