Question

3. Mention the distribution of water in the Northern and Southern hemispheres
4. Give the literal meaning of four spheres of environment.
5. What is the atmosphere composed of?​

Answer 1

Answer:

Explanation:

1. Explanation:The Northern Hemisphere is the half of Earth that is north of the Equator. ... Its surface is 60.7% water, compared with 80.9% water in the case of the Southern Hemisphere, and it contains 67.3% of Earth's land
2. Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air)
3. Earth's atmosphere composed of about 78% nitrogen,21% oxygen,0.9% argon, and 0.1% other gases.