All of the above...they all seem right to me and I take Ap world history
Chemical change.
It would be a chemical change or reaction because the substance is changing its chemical makeup.
Tent and mules are nouns. Grand Canyon and Arizona are nouns too but they are proper nound. And slept is an action.
He was one of the people killed in the Boston Massacre
Answer:
It is the deadliest terrorist attack in human history and the single deadliest incident for firefighters and law enforcement officers in the history of the United States, with 340 and 72 killed, respectively.
Explanation: