Which element is not one of the most abundant elements in living organisms?
a. hydrogen
b. zinc
c. oxygen
d. carbon e. nitrogen

9. the history of life on earth is recorded in

Oak and maple trees, chipmunks, white-tail deer, and black bears emerging from hibernation are all organisms that may be found in which biome

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