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A catalyst is a substance that speeds up the rate of a chemical reaction.
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THe carbon gases generally the carbon dioxide gas and CFC's are called greenhouse gases which are referred to as toxic gases in the atmosphere. These gases contribute to the thinning of the ozone layer which can lead to the warming of the Earth since the ozone protectst the Earth from the heat and warmth of the sun
Answer:
Part 1:
Answer is in first photo below
Part 2:
Answer is in second photo below
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<span>phosphate and sugars in their structures</span>