True or false: all of the rivers in the united states are closely monitered for pollution levels

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units:

Turbo the snail moves across the ground at a pace of 12 feet per day. if the garden is 48 feet away, how many days will it take for the snail to get there?

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3