Answer:
Alleles are each of two or more alternative forms of a gene that are found at the same position in a chromosome. Traits on the other hand, are the characteristics that are defined by genes. ... For example, the gene that codes for the shape of a pea has two alleles, wrinkled and round.
Explanation:
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Answer:
Gravity
Explanation:
Gravity keeps things together. Think of it in 2 ways:
1.Without gravity, an Earth-orbiting satellite would go off into space along a straight line. With gravity, it is pulled back toward Earth.
2.Gravity keeps the earth round, pushing it on all sides, which is what gives it its round shape.
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As humans we farm (agriculture) and plowing/deforestation/water use can erode the rock which may contribute to the rocks cycle