The remainder of the （ ）(mostly nitrogen) can then be vented safely to the atmosphere.
举一反三
- 1. The gas with maximum percentage in the atmosphere is .(Nitrogen / Oxygen)
- 2. They were in time to produce nitrogen and other gases,____________ were to make the earth’s atmosphere.
- Nitrogen ______78% of the earth’s atmosphere. A: constitutes B: consists of C: is made up of D: is composed of
- 中国大学MOOC: The atmosphere of Mars consists mostly of ______.
- All of the following are true EXCEPT ______. A: the atmosphere is important to none. B: a great deal of damage from the sun's deadly rays would be done to us, if there were no at mosphere. C: the atmosphere, as the author described, is the roof under which man can live safely on Earth. D: electricity in the atmosphere is being studied from every aspect.