YDS PARAGRAF DOLDURMA / TEST 1 20. Soru

20.

………. . Its light causes photo synthesis in
green plants , and its heat causes winds.
Fossil fuels, such as coal, oil, and natural gas,
got their energy originally from
photosynthesis, as did wood Animals derive
their energy from plants that photosynthesize
either directly or indirectly The only natural
nonsolar energy sources are nuclear reactions
and the tides.