What is one benefit of fitness walking? O It is a low-impact activity. It is a high-impact activity. o It doesn't involve the cardiorespiratory system. O It stretches all of the joints.

Suppose you calculate that elasticity of demand for cigarettes is 0.5. you can conclude that: a. demand for cigarettes is elastic b. demand for cigarettes is unitary elastic c. a 1% increase in price of cigarettes will result in a 0.5% decrease in quantity demanded d. a 1% increase in the price of cigarettes will result in a 0.5% increase in quantity demanded.

Akey feature of all epidemiology is the definition of a at risk. select one: a. pathogen b. ethnicity c. population d. lifestyle e. insect

Pam is pregnant, and her baby already has all the genetic information needed to determine its sex, hair and eye color, skin color, and even some personality traits. what stage of development has her baby achieved? zygote embryo fetus blastocyst