No.
No bear would dare mess with, let alone kill a bull moose on the rut.
The bull has sharp horns, faster speed, strong hooves, and a powerful body that can knock down the black bear. One charge from the bull will beat the black bear if the black bear does not bite the bull's face.
Yes. A bull moose could even kill a grizzly bear.
Yes, if the kodiak bear avoided the moose's hooves and antlers (if it is a bull moose). Even a grizzly bear or an alaskan brown bear could kill a bull moose, but not when it is on the rut.
With a well placed shot a 12 gauge slug can kill a black bear.
because they were secret lovers
It depends on who is bigger. If the black bear happened to kill the lion, the black bear would get badly injured.
Yes, it is legal to kill a black bear in self-defense if you are in imminent danger and have no other means of protecting yourself.
No! No human, farmer or not, could kill a black bear with a knife because they could get injured or killed themselves if they attempted to do such an idiotic thing. If a black bear is getting in the graineries or trying to kill a calf or a lamb, the farmer had better have a rifle on hand to shoot the bear with, not a knife.
you eat them and kill them
1
In most states, it is illegal to kill a black bear unless it is in self-defense or under specific hunting regulations.