What must a scientist do prior to generating a hypothesis

The valve seat performs two functions: it provides a seal for the valve in the combustion chamber, and it provides a cool surface to carry heat away from the valve. most valves use a seating angle.

Analyze the map above. using complete sentences, discuss the population distribution of the united states. make sure to address the issue of climate and at least one other factor that has created such an uneven population distribution throughout the region.

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.