ehrhiuehdih7879 ehrhiuehdih7879

04-02-2022
Chemistry

contestada

Will has been told to check the oxygen level in a confined space, before workers are allowed to enter. Will should verify that the space has at least ____ % oxygen by volume.

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charlotte1963 charlotte1963

06-02-2022

19.5%.

If you need a full explanation, let me know :]

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