What are three properties of components of the universe that can be determined using electromagnetic radiation ?

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

Which branches of natural science include the study of an organism that lived 10 million years ago

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?