1.Explain Why is nonpoint source pollution more difficult to control than point source pollution? 2.Research Find a reliable ecological footprint calculator and use it to determine the size of your own ecological footprint. How does your footprint compare to the average? How do you think the calculator’s accuracy could be improved?

Aman does 500 j of work pushing a car a distance of 2 m. how much force does he apply? assume there is no friction. a. 250 n b. 1000 n c. 125 n d. 500 n

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared

A17,250 kg rocket is pushed with a thrust of 6,450,284 n. what is the acceleration of the rocket?