History, asked by bsaiuttejteja7103, 1 year ago

What did John Scott Haldane develop in 1907?
a) Gas mask
b) Decompression chamber
c) Oxygen tent
d) Safety lamp

Answers

Answered by Anonymous

2

Hey Mate............

Your Correct answer is Option( b).

Answered by omipatel

0

hey....there........

I think (b) is correct......

hope it helps you................

Previous Question

Next Question

Similar questions

Math, 7 months ago

2. Find the period of cot(x/3) ...

Physics, 7 months ago

The colour of light that is scattered most during sun rise and sun set will be...

Math, 7 months ago

find the sum of following Aps 34+32+30+10...

History, 1 year ago

What did John Scott Haldane introduce in coal mines to detect gas? a) Frogs b) Electronic gas detectors c) Canaries d) Litmus paper...

History, 1 year ago

Which magazine did John Scott Haldane found? a) The Journal of Hygiene b) The Lancet c) American Medical News d) Mining Journal...

Biology, 1 year ago

What is not a potential concern associated with the use of biotechnology...

Biology, 1 year ago

what is the other name for anaconda...

Physics, 1 year ago

Ashok bar magnet of magnetic moment is equal to 32 amsquare square is placed in a uniform magnetic field of 15 Tesla if the car is free to rotate in the plane of field which orientation would correspond to its table II unstable equilibrium what is the potential energy of the magnetic each case...