I would say it would be D or A. Im not quite sure, but you can workout hard without getting injured so my best bet would be D.
I dont see the statements, if you could comment I would be able to help you.
For ages 6-7 maybe hard for 2-5 years because of their body
Can you please explain what your question is better?
Answer:
A variety of peroxide compounds, including carbamide peroxide, hydrogen peroxide, sodium perborate and calcium peroxide, have been used as active ingredients for bleaching materials
Explanation:
