The temperature and pressure in the subpolar and polar zones are very close to the for water. regions are the only climate regions where water can exist as a gas, liquid, and solid. The most popular system for classifying climate in different regions on Earth is the climate classification system.

1 triple point

2 subpolar and polar

3 Köppen

4 Scientists use data over many decades to understand climate and how it changes. This data is used because temperatures, winds, and precipitation can change by large amounts throughout a day; using large data sets allows for daily variations to cancel out and allows scientists to understand how climate can change on average.

Explanation:

"germany's geographic location was an advantage when it was on the offensive in the war because it was situated next to an extremely wide river, the rhine, which was difficult for the allies to cross."