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The following are uses of some components of air: (i) Germination (ii) Preserving soft drinks (iii) Electric bulbs (iv) Burning. Which two uses are for...

      

The following are uses of some components of air:
(i) Germination
(ii) Preserving soft drinks
(iii) Electric bulbs
(iv) Burning.
Which two uses are for the component that makes up 21% of air?
A. (i) and (iii).
B. (ii) and (iii).
C. (i) and (iv).
D. (ii) and (iv).

  

Answers


sharon
The correct answer is C. (i) and (iv).

Oxygen gas is the gas which occupies 21% and it is responsible for germination and burning.
sharon kalunda answered the question on July 29, 2019 at 14:50


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