Answer:
The effects of using cookstoves are much more deadly than people may realize.i think does the correct answer
The answer is a because it doesn't sound right alone without the words after the comma
True
The "underlined" sentence is the topic sentence as it identifies the main idea or focus of the paragraph. It contains the general idea where the remaining sentences of the paragraph is based, providing the specific ideas. It makes a strong impression instantly expressing to the readers what the paragraph will be about.
All you have to do is read it and find the answer in the paragraph the answer it.....