Answer:
Explanation:
I would say photosynthesis because it creates all life for any living plants
B. Consumers produce Co2 for which plants need to allow photosynthesis to turn back into oxygen.
Answer:
Evaporation, Condensation, Precipitation and Collection
Explanation:
I just referred to water cycle on the internet.
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Some signs of a chemical change are a change in color and the formation of bubbles. The five conditions of chemical change: color chage, formation of a precipitate, formation of a gas, odor change, temperature change.