there are 28 neutrons present
The answer is 145 because 100 mph is equal to 25th so 145
Answer:
Civilization's planet is most likely to be doomed because within the next million years the red giant star will possibly supernova.
Explanation:
Civilization's planet is most likely to be doomed because within the next million years the red giant star will possibly supernova. The supernova is the bursting of the star that has reached its end life. This leads to release of massive amount of energy, which can be more than the heat and energy released by the sun.
A satellite is a moon, planet or machine that orbits a planet or star.
