Would be same everywhere !! mechanical energy is always constant !
and it doesn't matter air is present or not....total energy is always constant !
If you go on mc3.edu/admissions/applying-to-mccc/testing-and-assessment/assets/biology-placement-test.pdf page 11 it will tell you all the answers to your questions....
Answer: true
Explanation: Nonmetals are elements that generally do not conduct electricity. ... They are the elements located on the right side of the periodic table.