someone help with this chemistry question Use the equation to answer the question 2NH4NO3 - - H - 0 Which numbers balance this equation? (1 point) 0 1,2,3 0 2 4 1 0 1 4 3 2.2.1

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

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of

Which is true according to the law of conservation of energy