Which of these will make a risky situation even more dangerous for a teen? a. having a phone b. parental presence c. marijuana use d. daytime

Marijuana use

Explanation:

When teens use marijuana, it negatively affects their brain causing them to perform badly or fail. Their body's health and brain is also negatively affected :(

creative crowdsourcing spans sourcing creative projects such as graphic design, crowdsourcing architecture, apparel design, movies, writing, company naming, illustration, etc.

explanation:

answer; i believe the correct answer is (secondary prevention);