1.) why is the ozone layer important? What is it? And how is ozone created?

The ozone layer is important because it filters harmful ultraviolet radiation as it travels from the sun to the surface of the Earth.

a layer in the earth's stratosphere at an altitude of about 6.2 miles (10 km) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun.

Ozone is created when the kind of oxygen we breathe—O 2 —is split apart by sunlight into single oxygen atoms.

Explanation:

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: 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. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation:

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