The position of earth in its orbit in the northern hemisphere during summertime is Position 3
Variation means difference in genetic makeup between individuals within a specie.
Lava is at the center of the earth witth lava
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i dont know thats a hard one
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A gas-powered lawn mower is a complex machine because for it to function it does more than one motion. For example, it has a wheel and axle system so it can move when powered. And it has a system of simple machines and other parts that are put together to accomplish the task of cutting grass.
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