DONALD FRICKING DUCK! THIS IS WHY I DONT SLEEP THANKS LIL SIS!

Calvin is a 12-year-old boy. due to pressure from his friends, he has started consuming certain toxic materials that are addictive and harmful. calvin is a victim of what type of abuse? a. sexual b. substance c. physical d. emotional

True or false mucous membranes destroy pathogens on the outer body surface, at body openings.

And the 1 points are for this 20 if i get all 3 of them correctly i will give you brainliest and if you only get all 3 i will give you brainliest including a and the rating will be 5 and if you get those i will give you 20 points