The correct answer is D. none of the above.
All of the above answers are examples of energy transformations. Plants get their energy from the sun through photosynthesis; when herbivores feed on those plants, they receive energy from the plants, and when predators feed on the herbivores, the predators get their energy from their prey.
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Answer:
1 is c
2 is gold
3. all of the choices are correct
4. because gravity is pulling downward on the object
5. true
Continuous transcription of the structural gene controlled by that regulator