Why is it useful to have lots of capillaries inside each of the villi? (villi are things on the inner surface of the small intestine)

1. which of the following is correct regarding opiates/opioids: a. they all have a natural component as a starting pointb. they have low addiction possibilitiesc. methadone binds to some of the same receptorsd. a and care correcte. all are correct

Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d

Select the word from the list that best fits the definition the temperature to which air must cool to be saturated