The particle size is important because the more finely divided the solid is , the faster the reaction happen. A powdered solid will normally produce a faster reaction because it has greater surface area than the single lump
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C.The grasa population would decrease.The snake and hawks population would increase..
Artificial selection is the type of selective breeding.
Selective breeding is process of breeding parents with distinct characteristics to produce offspring with more desirable characteristics.
Most of the time the breed of dogs were formerly selected for particular purposes, such as hunting or guarding which needs strong physical endurance. Hence, Selective breeding is evolved by human selection. For example racehorses, having particular traits are desirable in different breeds of dogs that compete in dog shows. Artificial selection, is selective breeding that is imposed by an selective process, in order to get the phenotype of desirable features.
To learn more about Artificial selection , here
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To calculate the population density, you will divide the population by the size of the area. Hope I helped!
