B I know because I red the book and the movie ITS SOOO GOOOOOOOOOOOD
Explanation:
The unanimous Declaration of the thirteen united States of America, When in the Course of human events, it becomes necessary for one people to dissolve the political bands which have connected them with another, and to assume among the powers of the earth, the separate and equal station to which the Laws of Nature Calcium carbonate reacts w/stomach acid according to the following chemical equation.
CaCO3+2HCl(aq)-> CaCl2(aq)+H2O(l)+CO2(g)
Answer: The author wants to say that we should not take our physical activity away from our study because it is very important to us and those who do physical activities are better at studies than those who do not take part(participate) in extracurricular activities.
Change happen to happened because it is past tense