technician b is correct because potentiometers dont need a power supply to work
For example, monthly capitalization with annual rate of interest means that the compounding frequency is 12, with time periods measured in years. The effect of compounding depends on: The nominal interest rate which is applied and. The frequency interest is compounded.
Answer:
change in amount of liquid, change in smell or color, bubbling, foaming, fizzing
Explanation:
"Has" would make more sense. A tip would be to read the sentence with both words, one word at a time obviously (So Everyone HAS already voted in the election.) and just go with your gut on which one makes more sense, you can do it!
Polyatomic ions describes ions which are posses more than one atom. Hence, the formula which represents a polyatomic atomic ion is 
- Sulphates contain both Sulphur and Oxygen atoms, hence, they contain two atoms, thus they are polyatomic.
- Sulphide are represented as
; containing only Sulphur atom, hence, they are mono atomic.
- Chlorides are represented as
; containing only chlorine atoms, hence, they are mono atomic.
- Nitrides are represented as
; containing only Nitrogen atom, hence, they are also mono atomic.
Therefore, sulphates are polyatomic as they contain more than one atom.
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