Useing the bathroom you gotta go when ya gotta go
Answer:
True
Explanation:
Cross Connection and Backflow are so important because they could introduce dangerous substances into the safe drinking water system. All water utilities work hard to meet high standards of safety in order to protect public health from backflow due to cross connection.
Answer: playing singles tennis or a bike on a hilly surface
Explanation:
•protein
•nucleic acid
•carbohydrate
