Question
What is an ephemeral stream?
one that is formed only from mechanical weathering
one that is formed only from chemical weathering
one that flows only after rainfall
one that flows only in flat lands
one that is formed only from mechanical weathering
one that is formed only from chemical weathering
one that flows only after rainfall
one that flows only in flat lands
Answers
GPT-4o mini
An ephemeral stream is **one that flows only after rainfall**. These streams typically do not have a continuous flow and may dry up completely between rain events, often appearing in arid or semi-arid regions.