What is likely the effect of a mutation that changes a single base in a gene compared to a mutation that inserts a single additional base

What is likely the effect of a mutation that changes a single base in a gene compared to a mutation that inserts a single additional base?

Missense mutation. This type of mutation is a change in one DNA base pair that results in the substitution of one amino acid for another in the protein made by a gene.

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

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