Answer:
Because the faster they grow, the more and more you can consume them and replant them. It's almost like an endless cycle.
Explanation:
The number of people per square mile is the population density
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.
Because the toxins from gas are not good to breath in and eventually we will al die from it