Seudónimo Seudónimo

13-07-2017
Biology

contestada

Sulfur dioxide:
a. creates a reddish-brown haze in the sky
b. is a secondary air pollutant
c. has an irritating odor and is colorless
d. is relatively harmless to the environment

Respuesta :

Аноним Аноним

13-07-2017

it is a toxic gas with a pungent, irritating smell and is colourless.

so, option c) is correct

hope it helped

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