The difference forms of cocaine, powder vs. crack help illustrate: a. How fat- solubility lengthens half life.

b. Why cocaine is a schedule II drug

C. How administration affects the timing and intensity of a drugs effect

d. How the blood- brain barrier facilitated diffusion of drugs into the brain

Which experiment would most likely contain experimental bias ?

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

Which is not a likely outcome after extensive irrigation of dry farmland? useless, unproductive soil salinization of the soil depletion of groundwater nutrient-rich soil