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Author Question: The small button cells used in hearing aids and hand calculators are being replaced by ________ ... (Read 28 times)

NguyenJ

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on: Aug 27, 2018
The small button cells used in hearing aids and hand calculators are being replaced by ________ cells.
 
  A) Ni-Cad
  B) hydrogen
  C) zinc-air
  D) copper-acid

Question 2

A major advantage of lead storage batteries is that they are
 
  A) lightweight.
  B) rechargeable.
  C) disposable.
  D) all of the above


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Kjones0604

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Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

B


NguyenJ

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Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

softEldritch

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Reply 3 on: Yesterday
Gracias!

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