Answer:
1: surface temperature
2: red giant
3: The brightest stars are called supergiants. Star clusters are rich in stars just off the main sequence called red giants. Main sequence stars are called dwarfs.
4: A white dwarf is very dense
5: red giant
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The correct answer to the question is : B) It has a very long life.
EXPLANATION:
The main hazardous problem of nuclear waste is that it has a very long life. The waste radioactive materials are still dangerously radioactive for so many years as they are not in any use in any commercial sectors.
Hence, the correct answer to the question is that nuclear waste has a very long life which makes it difficult to dispose responsibly.
A. Should be the correct answer:) hope this helped! :)
Work = force * distance
and newton*meters = Joule
In this case, work = 250N*50m = 12500 J
So the answer is D) 12,500 J