4. Long-term use of Ecstasy can

a. depress sympathetic nervous system activi

b. deplete the brain's supply of epinephrine.

c. deplete the brain's supply of dopamine.

d. damage serotonin-producing neurons.

Do all organism in the same ecosystem have the same carrying capacity

Any fracture or stem of fractures along which earth moves is known as a? A. strain. B. fault. C. stress. D. deformation.

Reproduction is an important life character- istic because all living things

During the last century, both global temperatures and men's average height have increased. Do these correlated trends mean that the increase in men's height caused the increase in global temperature? yes ___ no ___ Explain why or why not.

Why might a blood cell have a different shape than a muscle? A. Cell shapes are related to their function. B. specialized cells often have a special shape C. They have the same shape D. both A and B

What are two possible genotypes or the offspring?

A student notices that the saucer below a coffee cup becomes warmer after coffee is poured into the cup. Energy was transferred from - the cup to the saucer by conduction. the saucer to the cup by conduction. the cup to the saucer by convection.

The macromolecule that carries that code for building our body?

Based on what you know about photosynthesis, what would most likely happen as the amount of available carbon dioxide increased in the water? a. the rate of bubbles produced would increase. b. the rate of bubbles produced would decrease. c.

What allows otters to live in large groups