Photosynthetic cyanobacteria created what important component of the atmosphere?
a. nitrogen
c. oxygen
b. hydrogen
d. carbon dioxide

What are the characteristics of living things

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

What kind of bond is created by the attraction between atomic particles of opposite charge? ionic bond hydrogen bond covalent bond nuclear bond