Describe how ocean currents make temperatures at different places on earth's surface more similar than they would be if there were no currents

The earths surface is heated by the Sun's rays which are directed at the equator 0° latitude. If there were sea currents the closer you got to the equator the hotter it will get and the further away you go from the equator the colder it will get. Thus ocean currents distribute the heat at the equator around the earths oceans to even out the difference in the heat zones, so that the equator is not a desert and the rest of the earth is an ice age.

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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.

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