Try it yourself! (Answers)
The world is heavily dependent on oil for energy. Do you think a future re-
source will take oil’s place? Why do you think this?
Most would agree that oil will not remain the world’s principal energy source indefi-
nitely. With major breakthroughs in humanity’s ability to harvest power from the
sun, I argue that solar power will one day become a cheaper and healthier alternative
to petrol. This will be shown viable by looking at the falling price of solar energy per
watt against the price of oil and the tremendous improvements to solar technology
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