They are used but fire extinguishers helps stop a fire amd a fire blanket is used to stop someone on fire so i think it would be true.
14.D this is the best answer
As to number 13 I cannot answer because I don’t know anything about their interaction
The word "developed" from the sentence given above is in past tense form. Thus, the answer is letter "D. past". The verb is a simple past tense of the root word "develop". It also connects the important phrases to form a logical sentence.
