How are igneous rocks formed?
a. lava or magma cools and then crystallizes.
b. sediments deposit in a lake and turn to stone.
c. heat and pressure from nearby magma changes existing rock.
d. lava or magma heats up and crystallizes.

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.