College

Which two ways are energy from the sun distributed?

A. Radiation and conduction
B. Radiation and convection
C. Conduction and convection

Answer :

Final answer:

Energy from the sun is distributed mainly through radiation and convection. Radiation refers to the transfer of energy via electromagnetic waves, while convection involves the movement of heated fluids. Together, these processes are crucial for warming the Earth and influencing its climate.


Explanation:

Distribution of Solar Energy


Energy from the sun is distributed primarily through two processes: radiation and convection. These processes play a crucial role in how thermal energy reaches the Earth and influences its climate.


1. Radiation


Radiation is the transfer of energy through electromagnetic waves. The sun emits energy in the form of light and heat, which travels through the vacuum of space. When this energy reaches Earth, it warms the surface, which is essential for sustaining life.


2. Convection


Convection involves the transfer of heat through the movement of fluids (liquids and gases). Once the Earth's surface is heated by the sun, it warms the air above it. The warmer air becomes less dense and rises, while cooler air moves in to take its place, creating convection currents. This process is vital for redistributing heat in the atmosphere and oceans, further affecting climate and weather patterns.


While conduction (the direct transfer of heat through materials) can also play a role in heat distribution, it is not a primary method for energy from the sun. Instead, radiation and convection are the main processes that enable solar energy to reach and affect our planet.


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