My answer is B hope it helps
Answer:
Supernovae refer to the last stages in a star's life, when it explodes and disappears completely. ... Every planet we know of emerged from the dust and particles in the universe - so this means that the same dust coming from supernovae can form new planets as well.
Explanation:
hope you get some idea
<span> I will say C. in the Indian Subcontinent</span>
Answer: In the Metric System, one kilometer equals 1000 meters and one meter equals 100 centimeters. So the Earth’s diameter is 12,756,000 meters or 1,275,600,000 centimeters, and the Earth’s circumference is 40,075,000 meters or 4,007,500,000 centimeters!
Explanation: HOPE IT HELPS :)