Which type of current describes the movement of an electron straight from an area of high voltage to an area of low voltage? a Alternating Current (AC)
b Direct Current (DC)
c Fluctuating Current (FC)
d Oscillating Current (OC)

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.

An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?

The substances that are necessary for producing of certain hormones and that store and transport vitamins