Please help: Increasing temperatures means that water can hold less dissolved CO2. Is this positive or negative feedback loop? And explain why

Eastern europe and parts of northern europe have which of the following climates?

What role did the waterways of europe play in development of europe's economy

Me answer as many as you can what percentage more of water is used to provide us with electricity versus for irrigation? do we use more freshwater in our homes or to provide us with electricity?