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which of the following explains why planets in our solar system are revolving around the sun?

select one:
a. the gravitational pull of the sun keeps the planets in their orbits.
b. the high pressure inside the sun attracts all planets towards the sun.
c. the nebular mass originally exploded to throw planets around the sun.
d. the high amount of energy released from the sun the planets revolve.

Which of the following explains why planets in our solar system are revolving around the sun?  

Select one:

a. The gravitational pull of the sun keeps the planets in their orbits.

b. The high pressure inside the sun attracts all planets towards the sun.

c. The nebular mass originally exploded to throw planets around the sun.

d. The high amount of energy released from the sun helps the planets revolve.

Explanation:

b. accuracy of the data matters alot more than its number of digits, organization or amount of detail. quantitative observation is more accepted than the qualitative observation.