Composition of the Atmosphere (Leaving Cert Geography): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
What is the atmosphere described as?
What is the atmosphere described as?
A mixture of gases
What percentage of the atmosphere is nitrogen?
What percentage of the atmosphere is nitrogen?
78%
What percentage of the atmosphere does oxygen comprise?
What percentage of the atmosphere does oxygen comprise?
21%
What is oxygen absolutely essential for in plants and animals?
What is oxygen absolutely essential for in plants and animals?
Respiration
What percentage of the atmosphere is carbon dioxide?
What percentage of the atmosphere is carbon dioxide?
0.04%
Why is carbon dioxide particularly important despite its small percentage?
Why is carbon dioxide particularly important despite its small percentage?
It's a greenhouse gas
What type of gas is argon?
What type of gas is argon?
Noble gas, chemically inert
Which of these are trace gases in the atmosphere?
Which of these are trace gases in the atmosphere?
Methane, neon, helium, krypton
What happens to oxygen at higher altitudes?
What happens to oxygen at higher altitudes?
The proportion decreases
What would Earth's average temperature be without the greenhouse effect?
What would Earth's average temperature be without the greenhouse effect?
-18°C instead of +15°C
What percentage of the atmosphere do nitrogen and oxygen together make up?
What percentage of the atmosphere do nitrogen and oxygen together make up?
99%