Write down the equation, in words, for the formation of rust.

Sara is creating an experiment. her hypothesis states the following. if i increase the air in my tires, then i will get better gas mileage. if this is her hypothesis what column titles do we need in our date table? a. air pressure in tire (psi) and gas mileage (mph) b. air pressure in the atmosphere (psi) and gas mileage (mph) c. miles (m) and gallons per mile (g) d. old battery and new battery

Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?