The answer is c.
conserves electricity
I would guess A, varies with pH.
For the data set 1, 1, 2, 5, 6, 6, 9 the median is 5. For the data set 1, 1, 2, 6, 6, 9 the median is 4.
hope it helps you
The answer is True. Transportation is used by cars, airplanes, trains, and many other things.
Answer:its already balanced I.e.
Nacl+AgNO3=Agcl+NaNO3
is a balanced chemical reaction.
Explanation: