This burn is called a 3rd degree burn. Usually the skin is charred and is surrounded by second degree burns which have blisters. The 3rd degree burn usually sticks to clothing.
A first-degree burn typically causes reddish skin with a white border and may leave some pain. First-degree burns affect the top layer of the skin and usually heal within a week without scarring. Applying cool water and aloe vera gel can help soothe the burn.
There is a tree in the tropical rainforest that has a black sap that oozes out of the tree. Touching the sap will cause burn type sores on the skin.
4th degree burn
Third degree
A full thickness burn possibly.
2nd degree burn
uv rays
3rd degree
sounds like 3rd degree burn
this is most likely a 3rd degree burn
An acid burn is a chemical burn; acids have free H+ ions that have a tenancy to attack and burn and sometimes dehydrate organic materials, such as your skin.