Answer:
The answer is wheel of knowledge
Explanation:
This wheel consists of putting in a photographic room where future prisoners are photographed, a certain number of men or women with similar characteristics, since it is skin color facial features hair color things that make them look similar, so that afterwards Victim recognize his perpetrator.
This is done to make sure they are in the right person and will not arrest an innocent person because of a physical confusion.
Answer:
Move under his desk.
Explanation:
if objects were to fall from above he would not be harmed
1 st expression = (a+b)^2
(a+b) (a+b)
2nd expression = a^2-b^2
= (a+b) (a-b)
therefore hcf = ( a+b)
