Are you good at reading ocean tide graphs? What can you tell me about these? (20 pts) 1. Which type of tide has 2 high and 2 low tides each day but the water levels may vary significantly?
2. Which type of tide occurs where there is only one high tide and one low tide each day?
3. Which type of tide occurs where there are 2 high and 2 low tides each day that are approximately the same height?

Why are small quantities of chlorofluorocarbons so harmful to the ozone layer? a. the chlorofluorocarbons act like ultraviolet radiation causing large amount of ozone to be produced. b. the chlorine from the chlorofluorocarbons reacts with free molecules of oxygen causing a stop in ozone production c. free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone. d. chlorofluorocarbons absorb ultraviolet radiation, preventing the formation of ozone select the best answer from the choices provided

Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.

Individuals do not compete directly for resources, but are prey for the same predator