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Examines the need to harness efficient and affordable solar power, covering its history, current status, challenges, and the innovative ways scientists are working to bring solar energy to people around the world.
Examines the need to harness efficient and affordable solar power, covering its history, current status, challenges, and the innovative ways scientists are working to bring solar energy to people around the world.
rating | frequency | % | # |
---|---|---|---|
5 |
|
18% | 128 |
4 |
|
44% | 309 |
3 |
|
29% | 208 |
2 |
|
5% | 39 |
1 |
|
1% | 11 |