Answer: The right answer is Cave-ins.
Explanation: Excavations and trenches are basically the man-made cuts inside the Earth's surface. These are made for multiple purposes such as mining or tunneling. One of the obvious risk while working in such excavations and trenches is cave-ins. It is basically collapse of that excavation or Trench. The roof of the mine collapses and people working under it get buried inside those excavations in trenches.
Answer:
I believe it's C because B they have temporary relationships and I know A and D aren't true
C. John, "Mr. Calm," starts getting into fights at school.
Believe it or not, depression. Depression will cause many symptoms, including a hostile behavior, impulse spending, and may result in drug use. Unless pre-diagnosed with a different type of mental handicap, it would be easy to infer that she might have done some type of drug as a result of her depression, thus causing her to run around in underwear and chant. I hope this helped !