Graph Theory Question If in a graph, each vertex has an even degree, how to prove that in the complement of G, the same parity applies to all vertex degrees?

Which is the easiest method to prove such a statement, would it be contradiction or induction or direct proof and how to do it?

the highest percentage for deaths in construction from highest to lowest is as follows: falls, struck by objects, electrocution, and caught-in/between. these four are collectively known as fatal four.

in the case of falls, the type that is responsible for the overall highest death in the category is falls from roofs.