Answer:
I dont wanna be mean but i am still figure ing it out and need the point i will respond again when i have the answer
Explanation:
I will have to go with D because one pound is 3500 so if you reduce 3500 you can lose a pound
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.