Cracks in a rock is considered is chemical weathering.
In the periodic tables metals are on the left side and nonmetals are in the right side.... so we can know whether an element is metal or nonmetal by it's position on the periodic table..
Bacteria<span> are single-celled, </span>prokaryotic<span> microorganisms that exist in abundance in both living hosts and in all areas of the planet.
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It's the plasma's function to ensure that the muscles of a person exercising receives all the needed amount of oxygen. This is to make sure that the person will not lack oxygen and cause them to pass out.
Let's go back to "Darwin's" evolution theory. mice can be smarter than the average hawk, they are fast, have underground protection from cold,heat, rain,ECT..and they scavenge during p.m. hours, not all hawks are nocturnal, that's why owls are nocturnal. This cycle ensures enough food source for all predators. A hawk can consume at least 6 mice per day/night. rodents are natural prey for all preditors., even coyote. hope this helps, plus mice reproduce quickly compared to preditors.
hope this helps..
