Answer:
Evolution and Natural change.
Explanation:
I think a and d but I could be wrong
The civil disobedience movement was an act of nonviolent civil disobedience in colonial India led by Mahatma Gandhi. The twenty four day march lasted from 12 March 1930 to 5 April 1930 as a direct action campaign of tax resistance and nonviolent protest against the British salt monopoly.
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It was important in the development of astronomy and science because it was the first model that aimed to predict how the planets move in their orbits. Despite being a complicated mix of circles and epicycles it was not a bad model and it worked well for at least 1500 years until observations became accurate enough to show its imperfections