Answer:
tell them your side of the story in depth
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.
Histamines are chemicals that your body makes up to help get rid of something that’s bothering you. in relation to allergies, histamines help you get rid of by coughing, sneezing, itching, etc.
The answer is True. Hope it helps you. :)
