A. What evidence have you discovered to explain why air flows? B. What evidence have you discovered to explain why Earth has global wind systems? C. What evidence have you discovered to explain why ocean waters flow? D. What evidence have you discovered to explain how wind influences the movement of water? And for the Summary. Water off the coasts of some continents is typically colder than water further offshore because...

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.

Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.