If a disease has an unknown cause, then it is said to be

If you or someone you know may have a mental disorder, it's important to discuss this concern with a trusted adult. t or f

Provide an example of positive peer pressure. in two or more complete sentences, justify its positive effects. me : )

(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