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.
The time it takes to move in responce to a stimulus is called the reaction time
The process when businesses and other organizations make international influence or start operating on a international scale.
Your answer is C...
If i am incorrect, then i am sorry..
Breathe out fully through your mouth.
Shake out extra water before use.
