When you make a lemonade, what should you add first to the water- sugar or ice cubes?

Why?​

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.

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.