Answer:
A. contains large segments of DNA from different sources and events.
Answer:
A number of human activities can impact on the water cycle: damming rivers for hydroelectricity, using water for farming, deforestation and the burning of fossil fuels. We are cheating the water cycle system everyday.
Explanation:
Salinity is the concentration of dissolved salts in water. Density is the degree of compactness in a substance. By determining the salinity of a substance, you would also be determining the density.
Answer:
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Explanation:
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The sum of all the genes in a population is referred to as the gene pool.
