Skydiving can be dangerous if the equipment fails or the pilot makes an error. For example, hard landings, failure of the main and reserve parachute (extremely rare), canopy collision, freefall collision. With training it is possible to eradicate the likely hood of having a problem and thus the question of 'why is skydiving dangerous' becomes 'is skydiving dangerous to everyone who takes part'.
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What is dangerous? Asking questions? That isn't dangerous.
It is not dangerous
They were dangerous.
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No no moths are dangerous! I love moths and well they are not dangerous.
Physically the internet is not dangerous - it can lead to dangerous encounters with nutcases for example, but the internet itself is not dangerous.
are staffs dangerous No, some staffs can be dangerous but some arnt.
They are not dangerous by themselves. To be dangerous to anyone, a person has to be invloved.
No the tigers aren't dangerous but if you teas a tiger then yes he will be dangerous!
centipedes are not dangerous, they are harmless. furry catarpillas ar dangerous
Dangerous is an adjective.