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the average weather of a particular place is
weather
climate
the seasons
temperature

the calvin cycle has three stages. in stage 1, the enzyme rubisco incorporates carbon dioxide into an organic molecule. in stage 2, the organic molecule is reduced. in stage 3, rubp, the molecule that starts the cycle, is regenerated so that the cycle can continue

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex