Environmentaleasy · Past Paper
What is the percentage of nitrogen in the Earth's atmosphere?
A21%
B78%
C0.03%
D0.9%
✓ Correct Answer: B — 78%
Nitrogen is the most abundant gas in the atmosphere, making up approximately 78% of the total volume.
Share this question
More from Environmental
- Which of the following is a symptom of 'Sick Building Syndrome'?
- What is the pH level typically associated with acid rain?
- Which process is used in water treatment to remove very fine suspended particles that don't settle by gravity?
- What is the chemical formula of Peroxyacetyl Nitrate (PAN), a component of photochemical smog?
- Which soil conservation method involves building steps on hillsides?