Answer : When a raw egg is placed in vinegar then it dissolves the shell of egg and makes it a naked egg.
Explanation : The shell of the egg is made up of calcium carbonate and when placed in vinegar which is mainly made up of acetic acid, dissolves the outer shell covering of calcium carbonate and makes the egg naked. This makes the raw egg bouncy in nature.
All modern motor vehicles have internal steel beams in the doors to protect the passenger compartment.
Non-native fish escape into a river from aquaculture farms.