What type of solution creates bubbles of hydrogen gas when iron is placed in it? a basic solution. an acidic solution. an indicator solution. a supersaturated solution.

The plum pudding model of the atom states that ?

Aplane travels 1000 miles in 5 hours .what is the planes average speed?

Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n