Which fuel is better renewable or non-renewable fuel and give a reason why

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

Is laundry detergent an acid or a base?

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth