Explain two reasons how and why alfred wegener initially theorized that continents may have been joined at one time.

Alfred Wegner intitally theorized that the continents may have been joined at once, because their landforms were similar and almost fit as puzzle pieces. As well as finding the same fossils.

answer: tributaries flow into rivers.

wetland is a biome that develops when the water gets accumulated in a land exhibiting a huge depression. these form either seasonally or permanently. the water in the wetland comes from rivers, lakes, ocean, flood, rain or other sources. the wetlands includes mangroves, marshes and peatland.

tributaries flow into the rivers develops a wetland because such water will get deposited in the depression and will restrict the original flow of tributary water. hence, water with low drainage current combines with the river water.

and i oop

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