Ihave to write a 150 word paragraph or two that describes at least three everyday things that exist or occur because of science. i also have to make sure i use examples. i don't have a clue where to start !

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.

According to the tide table below what time of day will the highest tide occur?

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al