The brown stuff is called plaque. This forms on your teeth when you eat and its something you can't get rid of. There is tooth paste that can help maintain it.
Answer:
True
Explanation:
When fossil fuels are burned, they release large amounts of carbon dioxide, a greenhouse gas, into the air. Greenhouse gases trap heat in our atmosphere, causing global warming.
Answer:
im dead just sheval u wanna zo om
Explanation:
Answer: bargaining.
Explanation:
He is saying he will be a better person if he does not have to lose his leg, which is a way of bargaining.
Increase the duration of his walking each day