Mary put 30 mL of water into a graduated cylinder. After adding a solid object, the water level in the cylinder rose to 65 mL. What is the
volume of the object?

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system

Contrast the force of gravity between these pairs of objects: 1-kg mass and a 2-kg mass that are 1 m apart; a 1-kg mass and a 2-kg mass that are 2 m apart; and two 2=kg masses that are 1 m apart. i dont understand.

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