Well, what happens when the top predator is removed from an ecosystem?

22. the effect of threshold braking is to a. cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.

To take a standard test such as the psat or plan students must have an

How does the principle of federalism affect the u. s. government? a. it guarantees that the united states will always be a representative democracy b. it ensures that the state governments have greater authority that the federal government c. it creates both separate and overlapping powers for the federal and state governments d. it divides the federal and state governments into three branches