What law states that when matter undergoes a physical or chemical change, no atoms are created or destroyed?

At a boundary, plates move away from each other as magma pushes them from below. When this change happens beneath the ocean floor, it results in.

A race car completes a lap on a 1600 m long track with an average speed of 250 km/h. If the car's average speed on the first half of the track was 215 km/h, what was its average speed (in km/h) on the second half?

What are the five most important uses of electrical energy

Shining a beam of light on a metal has no effect. What change would be most likely to cause the ejection of electrons from the metal. Choose all that apply. Group of answer choices Increase the intensity of the light.

What is the difference between V (peak voltage) and Vrms (root-mean-square) of AC voltage source?

What is the importance of the ozone layer?

Which of the following is an example of plasma?

What do you need to make 100 minutes charges neutral

The equation e = mc2 relates mass and a. energy b. force c. work d. gravity

What should a scientist do to use scientific methods for determining the relative age of Earth's rocks? A be biased in opinion B disregard views of others C use creative ideas D prove that methods are non-testable