What is the main source of external energy to the Earth System?
A) gravity
B) convection
C) radioactive decay
D) the Sun

Name: What is the main source of external energy to the Earth System? A) gravity B) convection C) radioactive decay D) the Sun
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The Sun is the main source of external energy to the Earth System, as it provides the energy for photosynthesis, drives weather patterns, and is the ultimate source of most forms of energy used by humans.

What Is the Main Source of External Energy to the Earth