Biology, asked by NanaAtwal, 1 year ago

NCERT VI Social Sciences

Fill in the blanks.

(a) Oxygen ………… burn, but ………… burning.
(b) Some ………… substances absorb ………… from the air.
(c) It is mandatory to treat ………… before letting them out.
(d) Solid carbon dioxide is also called ………… .

Answers

Answered by asvbhargavi
0
[c]waste water
[d] dry ice
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