Dark pans absorb heat, shiny ones reflect it.
If you have a burn of 400 degree and your skin is really dark, then the permanent is likely to be permanent given the percentage of the burn.
They could if they were a source of it. Say if you heated a shiny steel pan in the oven. However shiny objects typically reflect IR better that emitting it. Dark objects are better at absorbing and emitting IR.
No, it is not safe to burn plastic in an oven as it can release toxic fumes that are harmful to health and the environment.
No, they will not.
The oven element can burn out due to factors such as overuse, high temperatures, physical damage, or manufacturing defects.
Yes it can
You have them too low in the oven or the temp too high.
When you leave it in the oven too long
Wax paper can burn so it is best not to use it in the oven. A great alternative to wax paper is parchment paper. It will not burn in the oven.
A light in the oven makes it easier to see the food inside the oven while cooking.
I think about 350% in the oven
Because in the oven the water evaporates but the salt remains.