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Physical properties, as well as the flora and fauna of the ocean change with depth.
Soil is the loose, uppermost, fertile layer of the Earth’s crust.
The destructive force of waves can create steep cliffs in certain coastal areas. Let’s see how...
Water is one of our key natural resources; we must protect it vigorously.
The most important types of local winds are the sea-land breeze, the mountain-valley...
When masses of cold and warm air meet, weather fronts develop.
Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.
Tsunami waves are very high waves of immense destructive power.