Answer to Question #120574 in Biology for ran li

Question #120574

The most abundant gas in Earth’s atmosphere is:
a) oxygen
b) carbon dioxide
c) methane
d) nitrogen

Expert's answer

d) nitrogen

Nitrogen is the most abundant gas in the atmosphere accounting for about 78% of the mass of dry air.

Learn more about our help with Assignments: Biology

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. In order of increasing altitude (from the ground up), Earth’s atmospheric layers are: a) troposph
2. The Coriolis effect: a) contributes to the pattern of Earth’s global winds b) causes all objects
3. Thermal energy transfer in the atmosphere occurs mainly by: a) conduction b) convection c) global
4. The average net radiation budget of Earth is: a) the amount of energy radiated from Earth’s surfa
5. Some tropical plants can grow outdoors in Victoria, British Columbia, but not in Edmonton, Alberta,
6. Earth’s main source of energy is: a) fossil fuels b) hydroelectric energy c) nuclear energy d)
7. The average amount of insolation at the poles is less than at the equator due to: a) the angle of i