The O2 meter shows an oxygen level of 18,3 % in a tank, that you are to inspect. This means, that:
Правильну відповідь:
You cannot enter the tank, because the body requires air with the content of 21 % oxygen for normal breathing.Ваша відповідь:
You cannot enter the tank, because the body requires air with the content of 22,8 % oxygen for normal breathing.