Answer:
I would say option 2 because people could have different opinions on weather it was effective or not, which would allow you to make it into an argumentative essay.
The Scopes trials was about a him teaching evolution in schools which they didnt allow back then. You can compare it with them elementary schools not allowing teachers to read "Little Red Riding Hood" in schools
Answer: if you are interested in the formula you can check the video at the link below - it contains instructions about how to calculate the age of an object based on the carbon-14 atoms.. and it should be pretty self explanatory!
Explanation:
I believe the answer is C