It is best to say that most human sources of air pollution result from . a. forestry management b. fuel burning c. heating devices d. vehicle exhaust

Biology 1c cumulative exam i need awsners

Did the vinegar diffuse all the way to the center of any of the cubes? if so, which ones? what does this tell you about surface area-to-volume ratio and the diffusion rate?

As kate is moving down the hill, what type of energy does she have? a. sound energy b. electrical energy c. light energy d. mechanical energy