Troposphere is the hottest part of the atmosphere because

Q. The troposphere is the hottest part of the atmosphere because:

1. it is closest to the sun
2. heat is generated in it
3. it is heated by the Earth's surface
4. there are charged particles in it

Answer: it is heated by the earth's surface

The troposphere is the hottest part of the atmosphere because the sun primarily warms the troposphere from the surface and because air cools as it rises, the warmest temperatures in the troposphere on average are at the earth's surface.

Troposphere is the hottest part of the atmosphere because is heated by the Earth 3 surface.