Many diseases can be prevented with a proper diet, exercise, and abstinence from smoking, alcohol, drugs, and sexual activity. True or false

Which statement about sound is not true? a. air particles travel with sound waves. b. sound waves cannot travel through a vacuum. c. sound waves exist even if no one hears them. d. air particles vibrate along the path of a sound wave.

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

What happens when light is scattered?