An object is placed in a graduated cylinder containing 15 mL of water, and the water rises up to 30 mL. If the mass of the object is 54g, will it float in water?

How did planetesmals form planets? a. they broke apart into smaller chunks.b. they collided and stuck together.c. they cooled and pulled ice together.d. they began to rotate.

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

Which of the following units is not an official si unit