What is the name of the structure that connects the two chromatids?

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

Need asap plz hurry im being timed when a body cell divides through the process of mitosis, the chromosomes in the daughter cells a. represent only the healthiest chromosomes from the parent cell. b. represent only half of the chromosomes in the parent cell. c. are identical to the chromosomes of the parent cell. d. are formed when chromosomes from the parent cell cross over.

Which factor affects the force of gravity between objects? check all that apply. direction distance mass shape time