Answer:
The energy the food first comes from is the sun.
Explanation:
It is the process of photosynthesis that locks the Sun's energy into simple carbohydrates like glucose.
Reabsorption is the process
Insects have two pairs of wings, while bats and birds each have one pair. Insect wings lack bones, but birds and bat wings have them. Butterfly wings are covered in scales, bird wings in feathers , and bat wings with bare skin.
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D. A possible answer to a scientific question
