Answer:- 
Solution:- It is a volume unit conversion problem where we are asked to convert the volume from 
to microliters.
We know that:
= 1 mL
and, 
Let's use these conversions factors for the desired conversion using dimensional as:
=
So, the answer is .
Answer:
What can cause excessive pressure on the high side of an active self-contained recovery device? A closed recovery tank inlet valve or excessive air or other non condensables in the recovery tank (either A or B) Portable refillable tanks or containers used to ship recovered refrigerants must meet what standard(s)?
Explanation:
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D is the correct answer
every other option contains an element
Answer:
The disadvantages of each of the given model of electron configuration have been mentioned below:
1). Dot Structures - They take up excess space as they do not display the electron distribution in orbitals.
2). Arrow and line diagrams make the counting of electrons and take up too much space.
3). Written Configurations do not display the electron distribution in orbitals and help in lose counting of electrons easily.
It means there is a lot of the same thing and not many others
