What is the main difference between cardio and strength-training activities? A.
Cardio activities increase your physical strength, while strength-training activities work your heart and lungs.
B.
Cardio activities work your heart and lungs, while strength-training activities strengthen your muscles.
C.
Cardio activities require short bursts of energy, while strength-training activities strengthen your body over long durations.
D.
Cardio activities improve your joints' range of motion, while strength-training activities work your heart and lungs.

Dr. leung has been studying consistent trends in how males and females have selected their mates throughout the long history of humankind. dr. dauphine is most likely a(n) psychologist.

What is the main structural difference between enveloped and nonenveloped viruses? a) enveloped viruses have their genetic material enclosed by a layer made only of protein. b) nonenveloped viruses have only a phospholipid membrane, while enveloped viruses have two membranes, the other one being a protein capsid. c) enveloped viruses have a phospholipid membrane outside their capsid, whereas nonenveloped viruses do not have a phospholipid membrane. d) both types of viruses have a capsid and phospholipid membrane; but in the nonenveloped virus the genetic material is between these two membranes, while in the enveloped virus the genetic material is inside both membranes.

How much do the tanakas spend on health insurance premiums each year