C. They all contain a transparent part with at least one curved surface that refracts light.
Hope this helps!!
The effect of chemical pollution on insects living in a pond i think
Answer:
Wind power or wind energy is the use of wind turbines to generate electricity. Wind power is a popular, sustainable, renewable energy source that has a much smaller impact on the environment than burning fossil fuels
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29. B
30. EXO means your EXporting it out of the cell so the answer would be C
