Is the energy used in photosynthesis and cellular respiration recycled?

Which would be an adaptation in a rainforest, but not in a tundra? a. ability to store water for a long time b. fur that blends in with snow c. strong claws for killing prey d. a beak that can dig into thick trees

Acommon kind of mechanical weathering is called

When plants use sunlight to make food, the energy of sunlight is