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.

would happen to the human population if endosperms were not a source of food.

Which two organ systems regulate homeostasis in our bodies? A. nervous and endocrine B. cardiovascular and respiratory C. nervous and cardiovascular

What is a good lab introduction? (Title, purpose, question, hypothesis, variables)

The cleft chin trait follows a dominant-recessive inheritance pattern with cleft chin being the dormant trait. john is heterozygous for a cleft chin as is his wife betty. john and betty have three kids all of which have a cleft chins.

A reaction in which the entropy of the system increases can be spontaneous only if it is exothermic.

Seedless plants can be vascular or non-vascular. True or False

What is the basis unit of structure and function of all living organisms?

Wrinkles and sagging skin in elderly individuals are the result of

It bothers me when the phospholipids stick together so I do my best to keep them apart.

One way that enables blood in your leg veins to return to the heart in spite of the downward pull of gravity