I think this is ovulation. Not a 100% sure
Teens’ use of most illegal drugs is down—way down—except for marijuana (which is the most common drug taken in the US by teens), which is staying about the same. However, teens are vaping more often than before, and their use of inhalants has increased slightly.
Those are some of the findings from the latest Monitoring the Future survey. More than 43,700 students in 8th, 10th, and 12th grades (from 360 schools across the United States) took the survey in 2017. Here are some of the things we learned from them.
The good news is overall, teens’ use of illegal drugs (other than marijuana and inhalants) continues to decrease. It’s now the lowest in the history of the survey in all three grades. That’s excellent!
Answer: b
Explanation:
Cardio is like running which helps your heart
Answer:
lack of iron, lack of vitamin b12