Which type of exercise countributes the most to building strong bones? A. Swimming
B. Lifting weights
C. Walking briskly
D. Jumping rope

True or false mucous membranes destroy pathogens on the outer body surface, at body openings.

Which criteria should andreas use when evaluating which monitor to purchase? check all that apply1. cost of monitor2. quality of monitor 3. doctor's recommendation4. whether it meets his requirements5. advertiser's claims

Two shoppers bought meat at the supermarket deli. the first shopper bought 3 pounds of meat for $9,87 . the second bought 4 pounds of meat for $16,76. can you tell if both shoppers bought the same kind of meat.