This could be many things. It's common for young girls you have irregular periods but could also be a health problem. There is also a possibility of pregnancy if she is sexually active.
Answer: your listening skills.
Answer:
Resource depletion
Explanation:
Resource depletion is one example because humans are digging deeper to access minerals and more. Which has led many resources going into a production decline.
Alcohol can be detectable in a urine analysis after drinking from 12 to 48 hours. :}
