How many moles of NaCl are needed to make 5.25 L of a 0.25 M solution

Water is important for the of cells. a: size, shape, and temperature b: temperature, color, and odor c: color, odor, and size d: shape, temperature, and color

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false