Explain how a flying piece of wood that only weighs 15 pounds could turn into a flying missile in a tornado that could cause a tremendous amount
of damage. What would happen if the piece of wood weiged 30 pounds or was a
more massive object like a piece of steel? How would the force exerted on a home
be affected by a flying object with more mass?

Smog is the term used to describe the combination of fog and smoke

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light