. If you will gain or lose weight, how long will it take you to gain or lose one pound of body fat? (Hint: 1 pound of body fat = 3500 calories)

What is similar between metals and suspensions

Sound travels slower in colder air that it does in warmer air. make a claim about the effect of air temperature on the speed of sound. support your claim with evidence

What would be the radius of the earth if it had its actual mass but had the density of nuclei? express your answer to two significant figures and include the appropriate units.