6. a copper penny has a mass of 3.1 g and a volume of 0.35 cm3. what is the density of copper?

Which of the following is not a characteristic of s waves? a. travel slower than p waves. b. cannot be detected in locations more than 105° from an earthquake’s epicenter. c. travel through solids and liquids. d. only affect coastal regions.

Why should seat belts not be mandatory quick plz

If a star is moving toward earth, it is