Which of these best defines energy?
oa) a type of force
ob) something that moves
oc) a microscopic form of matter
od) the ability to make things happen

Which property of fossils allow scientists to determine the relative rock ages..

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

The chart shows daniela’s run through her race. what is her velocity? 1.5 m/s 2 m/s 2.5 m/s 5 m/s