PLS HELP Me Evaluate the extent to which slavery effected the British colonies in the Americas.
Thesis:

Firms use marginal analysis to determine prices by a) changing prices in accordance with information from retailers. b) using comparisons with strong competitors to position prices accordingly. c) examining the effect on revenue of small changes to the price of one item. d) trying to minimize production costs by using better and more efficient methods.

When the blood leaves the atria (upper chambers) where does it flow to? a. aorta b. lungs c. ventricles d. rest of the body

To what extent was the chinese exclusion act a turning point in american foreign policy