Weathering and erosion or earth crust are primarily caused by
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In stage 2 farmers used the land primarily to grow food for their families and their small communities.

Why are all maps distorted? when reading a map, why is it important to check the legend? what is the difference between longitude and latitude? identify the meridian at 0° longitude and the parallel at 0° latitude.

The process by which liquid water changes into water vapour is called what ?