Ice cores can tell scientists about temperature, precipitation, atmospheric composition, volcanic activity, and even wind patterns. The thickness of each layer allows scientists to determine how much snow fell in the area during a particular year.
Side note- Don’t waste your time with the person below me... I clicked that and it did nothing lol
Since there are no options to choose from, my best answers would be:
encourages, discourages
********* Note I am not 100% sure that this is correct. This is just my best effort to help. *******************************************************************************
Answer:
The biggest causes are vehicle pollution, industrial emissions, thermal power plants, construction dust, waste burning and millions of poor households' use of cheap and dirty fuels such as wood and cow-dung for cooking.
