What is the angle between the incident ray and reflecting ray?

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

How many moles of al3+ ions are in 1.25 moles of al2o3

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