MULTIPLE CHOICE CHEM QUESTIONS

can someone please help:)

i’ll give a brainist:)

How did planetesmals form planets? a. they broke apart into smaller chunks.b. they collided and stuck together.c. they cooled and pulled ice together.d. they began to rotate.

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains