The color of a substance is a physical property. select the best answer from the choices provided t f

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

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of

What is an aquifer for science class