Answer:
Coal, and oil.
Explanation:
Theres not really an explanation this has to do with facts. I hope this helps. Please mark brainliest!!
The biosphere is the portion of the earth that supports living things.
Singapore has this year implemented an economy-wide carbon tax to incentivize the shift towards a low-carbon economy. We have also designated 2019 as our Year Towards Zero Waste, to move towards adopting a circular economy approach to resource management.