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.
Sample answer: I personally eat many yellow fruits and vegetables to help lower my risk of cancer but, I should incorporate more green fruits and vegetables because it is very good for your eyes to keep in good condition.
Answer:
When it comes to conflict ,it's best just to walk away. Nothing comes from being violence