What is the solution to the tasks in the provided image?

Here is a detailed solution to the tasks in the image: 1. Matching terms related to underground waters: 1-H, 2-E, 3-Y, 4-H, 5-U, 6-B, 7-C, 8-E, 9-G. 2. Definitions and differences: - A glacier is an accumulation of ice and snow, formed where snow accumulation exceeds melting over time. - The difference between glaciers and ice lies in their origin: glaciers are natural formations in cold regions, while ice can form anywhere in freezing conditions. 3. Characteristics of glaciers: - Mountain glaciers: Form in mountainous regions, contribute to rivers and streams. - Covering glaciers: Found in polar areas, often in the form of ice caps. 4. Permafrost details: - Permafrost is permanently frozen ground. - Exists in areas like northern Eurasia and North America, covering vast expanses. - Russia has extensive permafrost regions, occupying over 50% of its territory.