We could possibly use water as a fuel source, rather than fossil fuels (which are limited)
Science has already developed something of the sort, and with using water as a fuel source for say vehicles and such, it's inevitable for a positive change to happen because there would be less carbon monoxide; which means less polution.
The correct answer is: [C]: "the rain" .
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Nervous system responds to the environment
I believe it's a)
a pan on the stove getting hot
Hope this helped!
