Which of the following statements best explains what happens when two bodies move away from one another?

Galaxy whose shape seems different follow no set pattern are classified as

What are the ingredients of oobleck?

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?