How does hiv harm the body? a. it deceives the body into attacking itself. b. it destroys immune cells, leaving the body defenseless. c. it causes vital organs to stop functioning because of a high level of toxins in the blood. d. all of the above

The characteristic of stress responses that refers to the degree or extent of the behavior is a. intensity. b. frequency. c. duration. d. stress.

Water pollution cannot only affect the earth's water supply but it can also affect the soil true or false

Why is it often difficult to get funding for local parks? a. state governments do not like to grant permits for local parks. b. federal regulations prohibit most fund raising. c. there is often a small tax base. d. federal funding cuts have all but stopped local construction of parks.