We must find an alternative to .................... ................................... before there is nothing left to heat our homes and power our cars. ( advancing • fossil fuels • drought • support • overpopulation • famine)
fossil fuels
Farmers are hoping the ....................... ......... will end this year and there will be enough rain to grow crops again.( advancing • fossil fuels • drought • support • overpopulation • famine)
drought
Countries that suffer from ................... .also have pollution problems because of all the garbage created by so many people. ( advancing • fossil fuels • drought • support • overpopulation • famine)
overpopulation
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