True false combustion, or burning, is a kind of oxidation. rain forest plants produce about percent of the oxygen in our atmosphere. when photosynthesis takes place in green plants, oxygen atoms are freed by the splitting apart of . a. true b. false oxygen atoms do not combine with many other elements.

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

Aquaternary consumer species would be expected to have a smaller population than a secondary consumer species. select the best answer from the choices provided t f

Which to produce involved from a symbiotic relationship of organisms which resulted in eukaryotic organisms contain chloroplast