The minimum amount of energy needed to get a chemical reaction started is called the energy.
a. activation
b. reaction
c. enzymatic
d. chemical
(e) triggering

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )