Differentiate hazard, risk, exposure and vulnerability​

[ou.01]which of these is the most likely use of an electromagnetic wave which has wavelength shorter than microwaves but longer than visible light? o heat food safely o neat food safely o take images of bones and teeth o transmit radio and cellular phone signals o take images of bones and teeth o transmit radio and cellular phone signals o detect the location of objects which emit heat

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.

In which horizon of soil profile is prevent material usually found