The answer is A. Protons.
Answer:China was "lucrative trade markets."
Explanation:It gave a nation exclusive trade rights in a particular region of China. Helping them make a lot of money
Baking powder is primarily used as a leavening agent in baked goods and products. It is a combination of cornstarch, cream of tartar and baking soda. The main observation that suggests that it is a mixture of substances is that fact that it produces a gas which facilitates the rising of the baked goods.
The answer is most likely “C” 2,12