The mass of an empty flask is 49.74 g. What is the mass of the flask filled with acetone
(density = 0.792 g/mL) if the same flask
weighs 75.2 g when filled with water?

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of