instruction:
In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
question:
Question: Sandra had to pee, and when she did, she noticed her urine was nearly clear, because she had consumed water in 
 Answer: greater amounts
answer:
The darker the urine, the less water it contains.


question:
Question: Ray was traveling in rocket leaving orbit. He keeps the empty fuel containers on board so the ship can fly 
 Answer: lower
answer:
By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.


question:
Question: Dean found a leaf with a sheen and a leaf that did not have one. Which leaf is more reflective? 
 Answer: the leaf with a sheen
answer:

Increases the sheen on leaves to make them more reflective.