Question

How can we say that heat from the sun reaches the earth by radiation and not by conduction or convection?
plss it is important....​

Answer 1

Answer:

The sun's light and heat cannot reach us by conduction or convection because space is almost completely empty. There is nothing to transfer the energy from the sun to the earth. When the sunlight hits the earth, some of its radiation is absorbed and some is reflected.

Answer 2

Answer:

Explanation:

there is no medium from which the heat can reach us so conduction or convection is not possible and the sun radiates energy