Where did the word boo come from, and it's meaning

How does federalist, no.10 address the concerns of a strong national government in brutus i? a) the court system would be a representative democracy and the other branches republics. b) representative gov't was the only way to check state power in the national gov't. c) states would be allowed to choose which sort of representation they have at the national level d) the national gov't would be a balance between democracy and republic, thus protecting the rights of citizens.

Which of these is a lower subgroup a. kingdom b. order c.genus d. species

After a heavy rainstorm vegetation on a hillslope was completely removed. how will this removal of vegetation affect the relative amounts of infilitration and runoff that occur during the next heavy rainstorm.