Answer: TheTroposphere contains 80% of the total gas in the atmosphere
B.
The explanation of the relationship between load and extension is not in Hooke's Law.
For the most part aesthetics but you could argue they reduce air turbulence in some cases which would lead to better gas mileage. On sports cars however the goal is usually down force which is not wanted on economy cars as it can actually worsen gas mileage.
I hope that answered your question.
The earth is revolving around the sun and when the seasons change the earth tilts at a different angle and it changes your perspective on the constellations<span />
This matter is called medium
