Question

Fill up:
1) oil and natural gas accumulate over the layer of __________.
2) _____________produces by burning fossil fuels is the major cause of global warming.
3) ________and_________ are the major causes of exploitation of the natural resources.
4) _________bacteria act in the absense of air
5) Excess of carbon dioxide in the atmosphere cause ____________effect. ​

Answer 1

1. reserviour rock
2. carbon dioxide
3. deforestation and desertification
4. anaerobic
5. green house