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FrozenT [24]
2 years ago
13

Good morning! Can someone please answer this, ill give you brainliest and you will earn 50 points.

Physics
1 answer:
kicyunya [14]2 years ago
8 0

Correct ones are

  • Technical improvements that have made alternative energy sources more practical to use
  • Increase in concern for environment.

why?

Fossil fuels are hydrocarbons

  • Hydrocarbons on burning with oxygen releases harmful carbon dioxide .
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