Identify each of the following:
1.types of particle subject to the strong force
2.up/down, top/bottom, charm/strange

Analyze and evaluate the motivation and the rationale behind western expansion through the louisiana purchase that took hold in the united states at the start of the 19th century (long essay question)

Which of the following entities ensure that national security policies are carried out? check all that apply.

We're always up for a good laugh, but, seriously, refrain from posting silly or answers. keep the quality of high by following the rules and posting thoughtful answers.