A car speeds up on a flat stretch of road. Is the engine doing work on the car? If the engine is doing work, is that work positive or negative?

33: i think it’s b

are there options? cause you ain’t. real specific

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

hope this : d

talk back to him about the sport and show him your expertise or leave the room