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

question: which statement best describes the different properties of metals?

answer: they are shiny and bend without breaking.

since metals have certain characteristics properties, they include the following: they are ductile, malleable, shiny, hard, lustrous, flexible and they are good conductor of heat and electricity. so therefore, metals are not dull and they are not non-flexible as listed. instead, they are shiny and flexible.

hope this , have a good day. c;