Prolonged use of psychoactive drugs can cause brain damage.

Does indrect sunlight does not pose any danger to the skin

If you were running a marathon, which type of muscle fibers would be most useful to you? a. slow-twitch b. fast-twitch, type i a c. intermediate-twitch, type ii b d. slow-intermediate twitch, type i b select the best answer from the choices provided. a b c d

(i think the answer is a, am i right? ) most regulatory signs are a. octagonal and red or white b. circular and blue or green c. rectangular and red or white d. rectangular and yellow