Which of the following statements is true? a. sound waves are the only waves that reflect. b. an echo is a sound wave reflection. c. in reflection, all of the initial energy of the sound wave bounces back. d. reflection is when a sound wave bends around an obstacle.

Iwll give extra points to who gets this for ! what type of reaction is this? ?

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution