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: Dean found a leaf with a sheen and a leaf that did not have one. Which leaf is less reflective? 
 Answer: the leaf with no sheen
answer:
Increases the sheen on leaves to make them more reflective.


question:
Question: Jason fills up a balloon with helium. After a while, he decides to fill a smaller balloon with the helium with the balloon. The gas in the smaller balloon will have a density that is 
 Answer: higher
answer:
If we take a certain amount of gas from one container and place it into another, larger container, the gas expandsto fill the larger container. The same mass of gas is now in a larger volume, the gas now has a lower density.


question:
Question: Dan is comparing a mosquito that has been fossilized to a mosquito that he saw in a museum. Since the fossilized mosquito is millions of years old, the similarities between the organisms will be 
 Answer: many
answer:

In general, fossils in older rocks are less similar to modern organisms.