Answer: The answer is B.Sonar and C.Radar
Explanation:
They are both just like an echo which is the main things that uses reflected sound waves. They are basically like synonyms for echo.
Answer:
CERN uses a series of particle accelerators to accelerate protons to their end speeds in the LHC. The first accelerator is the linear accelerator Linac 2. At one end of Linac 2, hydrogen from a bottle is passed through an electric field to strip off the electrons, leaving positively charged protons.
Explanation:
In a physical change the form changes or the state of the matter. For instance water can freeze and water can melt, but it is still water.
Please vote my answer brainliest! Thanks.
I'm thinking the answer you are looking for is light energy. With the sunlight there is light energy and heat.
