Tamika is learning about conduction and convection in science class. Which of the following best describes a situation that would result in convection? Group of answer choices

leaving a glass of ice in the sun

turning on an electrical current

putting a metal spoon in a mug of hot water

turning on an air conditioner in a hot room

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius

Which lists correctly orders nuclear reactions from most radioactive waste generated to least waste generated within a given period of time? o a. radioactive decay, nuclear fission, nuclear fusion o b. radioactive decay, nuclear fusion, nuclear fission o c. nuclear fusion, nuclear fission, radioactive decay o d. nuclear fission, nuclear fusion, radioactive decay

Ablue car pulls away from a red stop-light just after it has turned green with a constant acceleration of 0.5 m/s 2 . a green car arrives at the position of the stop-light 6.5 s after the light had turned green. if t = 0 when the light turns green, at what time does the green car catch the blue car if the green car maintains the slowest constant speed necessary to catch up to the blue car? answer in units of s.