A(n) is the general term for an infectious disease that has spread across a city, region, or country.

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

Pl as time goes by and water goes through the water cycle again and again, the amount of water on earth: increases decreases ostays the same goes up and down

During photosynthesis, hydrogen ions are most directly used to in the chloroplast pictured above. a) make glucose b) make chlorophyll c) produce carbon dioxide d) drive the production of atp