Photosynthesis and cellular respiration are opposite reactions that make up a cycle. a. true b. false

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

Anonnative species is best described as a species that a. does not normally live in an area b. has no permanent home c. is a poor predator d. increase biodiversity

When is your breathing likely to speed up? a. when your white blood cells increase b. when your cells need more energy c. when your heart cells need more carbon dioxide d. when your blood cells have too much oxygen