Enviromental because it has to do with pollution.
Intra-uterine device(IUD) to prevent the fertilised egg from implanting itself in the uterine wall.
Answer:
ur asking for a lot for so little points
Explanation:
The choice is according to a student's own opinion and learning techniques. If a child is better at independent learning then online school could be beneficial to them. It gives them more academic freedom to explore and conquer the educational realm. If a student struggles with focus then traditional learning may be a good fit. They can get in person support from teachers and peers.
The answer is endocrine system because it deals with hormones around the body and is controlled by the pituitary gland.