<span>Orogeny is an event which causes large amounts of deformation in the earth's crust and upper mantle. These deformations occur due to the movement of tectonic plates and the result of the deformations are large amounts of seismic activity. The regions formed by these events are called orogens or orogenic belts.</span>
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actually no idea to be honest
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<u>A chemical bond between the phosphate group of one nucleotide and the sugar of a neighboring nucleotide holds the backbone together. Chemical bonds (hydrogen bonds) between the bases that are across from one another hold the two strands of the double helix together.</u>
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D
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Improve desirable traits and help determine the heritability of a trait.