Because they are different.
When the people responsible for price of oil raise it for no apparent reason.
Yes, humans need to stop encroaching on their habitat. The reason they are "threatened" is because of human activity - there are too many people on the world.
yes they are, but mainly when you provoke them or go near or into their territory without knowing. sometimes, the cobras bite for no apparent reason. that may seem weird but the main reason they bite is when they are out for prey and they don't realise what they striked and the other reason is that they bite when they think they are threatened.
Traumatic or upsetting events, though people with an anxiety disorder may have anxiety attacks for no apparent reason.
to pleasure vagina
Trident was used for no apparent reason
Don't know if you noticed, but you just asked the reason for a person blacking out for no apparent reason, lol I'd consult a doctor.
Heres an example: What is the question that contains the word cantaloupe for no apparent reason?
yes
Extreme happiness and excitement for no apparent reason.
Being overly friendly with someone for no apparent reason.
Ignorance. Most people fear what they don't understand, thus causing some of them to destroy it.