Question

What will happen if all the rivers dried up?

Answer 1

Answer:

Stopping rivers from reaching the ocean causes enormous damage to coastal ecosystems. If rivers don't flow to the ocean, we lose a great deal of biodiversity, beauty, natural amenity and cultural values associated with coastal ecosystems.

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Answer 2

Answer:

If all rivers became dry land, one thing that would happen is that we would have more dry land. ... As many rivers feed lakes before they find their outlet to oceans, the lakes would soon cease to exist, and in those areas the climate would change to more extreme ranges of temperature and aridity.