Natural Resources
... • The Sun provides a constant supply of heat and light. Rain fills lakes and streams with water. Plants carry out photosynthesis and add oxygen to the air. • Sunlight, water, air, and crops are examples of renewable resources. • A renewable resource is any natural resource that is recycled or replac ...
... • The Sun provides a constant supply of heat and light. Rain fills lakes and streams with water. Plants carry out photosynthesis and add oxygen to the air. • Sunlight, water, air, and crops are examples of renewable resources. • A renewable resource is any natural resource that is recycled or replac ...
