If concussions aren't treated properly (such as going to the hospital). The person with the concussion can develop what's called second impact syndrome. It's called this because if they get hit on the head again, it can cause follow-up brain bruising. Which can cause permanent damage to the brain.
what is an Incendiary bomb and what damage does it cause
You can permanently damage the catalytic converter (if fitted) which can be costly to replace.
Any kind of pen, or pencil, in your eye is likely to hurt and could damage your eyeball. Getting the light from a laser pen in your eye for a short period (less than a minute) may dazzle you and temporarily impair your vision, but if the laser pen was properly made and classified, it should not cause permanent damage. Other forms of lasers, and improperly made laser pens, can cause permanent eye damage after very short exposure.
a drought can cause crop failure and death to people and animals
a drought can cause crop failure and death to people and animals
I don't know I was asking you you dwit peace
Creates problems by overloading the network as it replicates.
seismic waves
everything was destroyed
This depends on what kind of pool you have. If it's a permanent pool, such as one set in concrete, no that will not hurt it. If it is an inflatable pool, than yes, leaving it outside when it is not full could eventually cause damage.
Psychiatry does not cause brain damage since it covers the study, diagnosis, and treatment of brain disorders.
They can wash away your house, car basically everything