Biologyeasy · Past Paper
What is the percentage of nitrogen gas in the Earth's atmosphere?
A21%
B0.03%
C78%
D0.9%
✓ Correct Answer: C — 78%
Nitrogen is the most abundant gas in our atmosphere, making up approximately 78% of it.
Share this question
More from Biology
- The movement of water molecules from a region of high concentration to a region of low concentration through a semi-permeable membrane is:
- Which stage of prophase I involves the pairing of homologous chromosomes (synapsis)?
- The space inside the thylakoid membrane is called:
- The growth of pollen tube towards the ovule is an example of:
- The outermost layer of an animal cell is the: