Passage says that the percentage of chemical poisoning is rare but still gas masks are compulsory inspite of causing discomfort.
Only option D explains that earlier chemical poisoning case were not rare, but after the masks were introduced, cases have gone down.
Only option D explains that earlier chemical poisoning case were not rare, but after the masks were introduced, cases have gone down.
Statistics : Posted by saugata64 • on 07 Feb 2024, 01:30 • Replies 2 • Views 84
