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Answer:
1. D. Sun
2. B. 365 days
3. C. Sunlight helps the body produce vitamin A.
4. C. Solar Panel
5.B. To avoid dehydration
6. C. Photosphere
7. B. Sunspot
8. B. Solar wind
Explanation:
1.The Sun is the only star in our solar system
2. Earth revolves around the sun in 365 days, 5 hours, 59 minutes and 16 seconds. The time a planet takes to revolve around the sun is called a year.
4. A photovoltaic cell absorbs light and converts it directly into electricity. A group of photovoltaic cells is known as a Solar Panel. You may have seen solar
6.The photosphere is the deepest layer of the Sun that we can observe directly.
7.Sunspots are areas that appear dark on the surface of the Sun.
8.The sun's magnetic field has two poles, like a bar magnet. The poles flip at the peak of the solar activity cycle, every 11 years. A solar wind composed of charged particles carries the magnetic field away from the sun's surface and through the solar system.