True or false? leaves appear green because they absorb green wavelengths of light.

This statement is false. This is because the green light isn't absorbed. The leaves appear green because the chlorophyll of the leaves, the part that makes food, reflects the green light, which has a medium wave length. While reflecting green light waves, it simultaneously absorbs red waves (long waves) and blue waves (short waves)

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C. gemstones they are the only non metallic mineral from the list.