Fertilizer is a chemical or has chemicals in it. When the land being fertilized is near water, the fertilizer is washed into the water harming the water and polluting it. Have regulations such as a distance from the water that land must lay, or the amount of fertilizer you can use can help keep the water clean and unpolluted.
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im so sorry but you cannot get an answer because you have not posted the passage from the question.
When phospholipids<span> are mixed with </span>water<span>, they spontaneously rearrange themselves to </span>form<span> the lowest free-energy configuration. </span>
"Natural selection<span> is the differential survival and reproduction of individuals due to differences in </span>phenotype<span>. It is a key mechanism of </span>evolution<span>, it is a change of </span>heritable traits<span> in a </span>population<span> over time"</span>
