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16. A star that's actively fusing hydrogen into helium is a A. red giant. B. white dwarf. C. main-sequence star. D. supergiant.
A star that's actively fusing hydrogen into helium is a D. main-sequence star.
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User: 16. A star that's actively fusing hydrogen into helium is a A. red giant. B. white dwarf. C. main-sequence star. D. supergiant.

Weegy: A star that's actively fusing hydrogen into helium is a D. main-sequence star.
jeifunk|Points 12463|

User: 18. Material from which of the following solar occurrences can reach Earth, causing radio blackouts? A. Coronal mass ejection B. Prominence C. Solar wind D. Flare

Weegy: Material from a solar D) flare can reach earth causing radio blackouts.
Expert answered|Herb957|Points 25|

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Asked 284 days ago|1/11/2014 7:48:13 PM
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Asked 288 days ago|1/7/2014 5:57:55 PM
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1. The area in the cylinder head where the air-and-fuel mixture is burned is called the A. valve guide. B. combustion chamber. C. intake port. D. exhaust port.
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15. Light has what range of wavelength? A. 0.3 nm to 0.001 nm B. 10 nm to 0.01 nm C. 700 nm to 400 nm D. 400 nm to 10 nm
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14. Which of the following mammals can hear the largest range of sound frequency? A. Human B. Bat C. Porpoise D. Beluga whale
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