Window cling film are available at most hardware stores like Home Depot, Walmart or Lowe's. There's also customizable window cling film available from designyourwall.com.
You cannot use cling film in an oven. This is due to the fact that it will melt and contaminate the food.
No.
Yes
foil because then it will keep it warm and cling film will make it wet because of the condensation.
Yes
Yes, cling film is a transparent material.
It is opaque
Sans any research, I believe the "cling property" has to do with electron attraction to a positive (+) charge from the food wrapped.
There are many variables that come into play in the biodegradability of cling film or wrap. However, as a general rule, it will take many decades for the wrap to complete disappear.
cold water then some cling film :)
can you get fingerprints off cling film