What are the two most predominant gases composing Earth's atmosphere?
Answer
Nitrogen and Oxygen
The atmosphere is predominantly composed of nitrogen, making up about 78%, and oxygen, making up about 21%, forming a mixture suitable for supporting complex life respiration.
#Videos
What Makes Earth Suitable for life | Middle School Science - YouTube
Related Questions
What is the significance of Earth orbiting within the Goldilocks Zone?Approximately what percentage of the Earth’s surface is covered by oceans?What is the primary role of the magnetosphere in protecting life on Earth?What are the two most predominant gases composing Earth's atmosphere?How did photosynthetic life fundamentally alter Earth's atmosphere?What function does the ocean serve regarding global thermal regulation?Besides the initial conditions, what factor is highlighted as critical for the evolution of complex life?What biochemical roles does liquid water fulfill for all known organisms?What would be the consequence if Earth orbited significantly closer to the Sun?Which microscopic life form is specifically mentioned for its role as a planetary engineer in oxygen production?