Answer:
2 oxygen atoms get released into the atmosphere because of photosynthesis
Explanation:
the oxygen gas is produced as a waste product from the plant so 2 atoms of oxygen are created and combine and form oxygen
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A sample is a random, unbiased selection out of a larger group. An independent variable is one that is changed as to see how it will affect the dependent variable in an experiment.
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Answer:
Ca has 20 protons, so neutral it would have 20 electrons, but according to the charge, 2 electrons have been lost.
Explanation:
Because its is a bit more rare than iron .