Earth's atmosphere is comprised mostly of nitrogen; Venus' atmosphere is comprised mostly of _.

Keep practicing — related questions

• Venus has clouds of _____
• The main element in the Earth's atmosphere is ____________.
• Which planet is the only one to possess a mostly nitrogen atmosphere?
• Which planet is the only one to possess a mostly nitrogen atmosphere?
• In order for life as we know it to exist, a planet's atmosphere must contain ____________.
• The air we breathe consists ____ nitrogen, oxygen, carbon dioxide, and several other gases.
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• To convert the atmospheric nitrogen into usable nitrogen, five steps are involved. The two prominent bacter...