Select the choice that best completes the following sentence.
Simple machines
A.
are made up of multiple moving parts.
B. reduce the amount of energy needed to do work.
C.
are tools that make work easier.
D. cannot be combined to make compound machines.
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Four types of motile cells in human body?

Mr. olajuwan was in a horrific snowmobile accident. afterwards he had trouble walking and he had a loss of balance. which of the 4 major brain region was probably demaged

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species