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: If we have a bag of feathers and a bag of bricks of the same volume, the heavier item will be the 
 Answer: bricks
answer:
If we have two materials with the same volume, the material with a higher mass will be more dense.


question:
Question: If Milo is out exploring and he comes across two glaciers, each with their own u-shaped valley, will the smaller or larger glacier have a smaller u-shaped valley? 
 Answer: smaller glacier
answer:
Smaller tributary glaciers, like tributary streams, flow into the main glacier in their own shallower U-shaped valleys.


question:
Question: Mona is an astronomer who looks at stars for a living. If she is observing how hot certain stars are and she notices that one is hotter then the others, what does that say about the brightness of that star? 
 Answer: it's brighter
answer:

The hotter a main sequence star is, the brighter it is.