Answer:
meteorite striking the dinosaures
Endothermic reactions are chemical reactions that absorb more energy than they release.
Answer:
respiration" (and any subsequent words) was ignored because we limit queries to 32 words.
Tropism is defined as the propensity of a plant to direct itself away (negative tropism) or towards (positive tropism) the stimuli. Plants that bend their roots towards a more humid environment exhibits positive hydrotropism as humidity is related to the water content of the environment.
<em>Gravitropism and geotropism have the same definition wherein plants move towards or away from gravity.</em>