Comic water droplets and difficult themes

The theme reflected in Figure 1 Comic A wastes water resources; B reflects the theme of water pollution. These two human factors have aggravated the current situation of water shortage in China. The shortage of water resources in China is also affected by natural factors. To solve the problem of uneven distribution of water resources in different regions, the method to be adopted is inter-basin water transfer.

Figure 2 is a symbol of water conservation in China, symbolizing that water conservation is such a measure to protect the earth's ecology. March 22nd every year is World Water Day, and its slogan is: Water is the source of life. Protecting water resources depends on everyone's practical actions, and we should save water. The mistake of water-saving measures lies in reducing farmland area to reduce irrigation water.

So the answer is: (1) wasting water resources; Water pollution; (2) saving water; Save water; (3) Water is the source of life; (4) answer.