If 8 is a factor of n, then 4 is a factor of n? a. none of these, b. 8 is not a factor of n, c. neither 4 or 8 is a factor of n, or d. 4 is not a factor of n.

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When volcanoes erupt, magma (hot, molten rock) rises toward the surface of the earth. as magma cools, solid rock forms. this rock contains substances from the interior of the earth. which of the following natural resources is likely to be plentiful near subduction zones where volcanic activity has occurred in the past?

Most tornadoes carry winds speeds in a range of km per hour