The answer is the last option, “boycotting was an effective...”
Theme is defined as the
B. main idea that runs through the entire speech
1) Break in(to)
2) Break off
3) Break down
4) Build up
5) Build on
Answer:
it's the second point. The first one does not talk about the health issues like author claimed and the last one has some irrelevant information. Therefore it's the 2nd one
Answer:
The ancient records of China and Japan are said to contain many allusions to the use of natural gas for lighting and heating.
