A tectonic hazard would be something that isn't expected but only lasts so long.
Example: an earthquake or tsunami
The best example is an earthquake
Immediate responses would be to take shelter under a sturdy building or get to high grounds where nothing can fall on you.
The number of deaths could be reduced by having regular safety checks of buildings and if you know you are near tectonic plate shifting then the building should be built with study material.
Answer:
Proper cleanliness of water..
I think the second one since the largest bar (?) is for infants meaning that the population is mostly 4 year olds. Hopes this helps!
