What two primary, distinct forms does the required energy source manifest as on Earth to support the biosphere?

Answer

Solar radiation and geothermal energy.

The text specifies solar radiation (powering photosynthesis) as the dominant source, while geothermal energy derived from chemical reactions near hydrothermal vents fuels deep, chemosynthetic ecosystems.

What two primary, distinct forms does the required energy source manifest as on Earth to support the biosphere?

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What Makes Earth Suitable for life | Middle School Science - YouTube

Earthsupportliferequirementcondition