Correct me if I’m wrong, but I believe it’s A and D, though I’m not fully sure.
Uranus was originally discovered by Sir William Herschel in 1781. Neptune is the 8th planet from the sun making it the most distant in the solar system. Neptune is the smallest of the Ice Giants. The atmosphere of Neptune is made of Hydrogen, helium, And some methane. Uranus make one trip around the sun every 84 earth years. Uranus has the coldest temperatures of any planet. I hope This helps!!!
I'm pretty sure it's called, "gravity". or gravy :)
Answer:
B. a model can be used to see things that are normally too small
