Answer:
A.
Explanation:
Ancient Egyptians used hieroglyphics to tell stories and important events using engravings of picture symbols
I wish I could have a chance of study abroad this summer.

C. How long does it take to travel from the Earth to the moon?
This is the weakest research question because it can be easily answered. According to a 2 second Google search, it takes about 3 days for a spacecraft to reach the moon from Earth. This question does not allow for a lot of research for development into an essay. Options A, B and D all have a variety of possibilities that would allow for a multi-paragraph essay with significant topic development.
30 November 1835
Explanation:
Twain was born two weeks after Halley's Comet's closest approach in 1835; he said in 1909: I came in with Halley's Comet in 1835. It is coming again next year, and I expect to go out with it. It will be the greatest disappointment of my life if I don't go out with Halley's Comet.