1.
Who does research?
Police officers
Doctors
Students
All of these people

All

Explanation:

police officers

Explanation:

not doctors because the doctors are not meant to research anything they just give you prescripted medicines.

is it ''blue notes? ''

hope i ! you didn't give any options so i hope that was correct! < 3

i got this answer from a really friend, and it was right.

hope this you like it me and a special to that dude!

artists need to create a realistic interpretation so that people in general can relate to the artwork. for a common people, an artist's impression gets increased only if he can create something which would look realistic. an abstract is difficult for a common people to understand whereas if a person can draw a girl with simple pencil sketch and if that looks like a real figure then the latter will be praised more than the former.