Kirby and Marsha are college students. Kirby is always complaining about her class load and says she feels constantly fatigued. Although Marsha has a heavier class load and works part-time, Marsha rarely complains and does not appear as fatigued as Kirby. Which of the following statements is most likely TRUE?

Which types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light? check all that apply. radio waves infrared light microwaves gamma rays visible light x-rays

What kind of simple machine is a catapult?

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.