What supports and sustains almost all life on Earth?
A) Carbon dioxide.
B) Radioactive decay from the Earth's core.
C) Sunlight.
D) Gravitational forces.

Name: What supports and sustains almost all life on Earth? A) Carbon dioxide. B) Radioactive decay from the Earth's core. C) Sunlight. D) Gravitational forces.
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Sunlight is the primary source of energy for almost all life on Earth, driving photosynthesis in plants, which forms the base of most food chains.

What Supports and Sustains Almost All Life on Earth