What is characteristic of a mechanical wave? a. the wave is capable of transporting its energy through a vacuum. b. particles of the medium move perpendicular to the direction of energy transport. c. particles of the medium regularly and repeatedly oscillate about their rest position. d. a medium is required in order for the wave to transport energy.

Epicureanism advocated reason and duty. select the best answer from the choices provided t f

Lots of points: economics: a benefit, such as health insurance, paid vacation, or a retirement plan, that is received by an employee in addition to regular pay is known as a. a fringe benefit b. a pension c. a grievance d. workers’ compensation

Which two words in this excerpt from the count of monte cristo can be used as synonyms to determine the meaning of the word grotto? dantès entered the second grotto. the second grotto was lower and more gloomy than the first; the air that could only enter by the newly formed opening had the mephitic smell dantès was surprised not to find in the outer cavern. he waited in order to allow pure air to displace the foul atmosphere, and then went on.