If we dont have enzymes then we would become malnourished as our body wouldnt be able to absorb the nutrients. Enzymes work in digestion to break down the food we eat
The main difference is that quotas restrict quantity while tariff works through prices
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Mutation causes change in an organisms DNA, resulting in a change in all aspects of the organisms life. It affects how the organism looks, and how it behaves. If there was no mutation, an organism could not change, therefore there wouldn't be evolution at all.
