A friend of yours convinces you to go snowshoeing one day. After several hours, your friend seems incoherent and you notice a bluish tint to her lips. What might be the cause of her symptoms, and what should you do to treat her? (5 points)

Sadie and her mom were at a hardware store to purchase smoke detectors for their new home. sadie's mom was unsure how many units she should purchase. what is the general recommendation? a. one large one for the middle of the house b. every room in the house should have one c. kitchen, garage and laundry room- since those are where most fires happen d. every living area including the hallway by the bedrooms should have a smoke detector.