Question

streams that are naturally shallow and flow for brief periods during rainfall are called:
none of these
ephemeral
intermittent
perennial

Explanation:

Ephemeral streams are defined as shallow watercourses that only flow temporarily, specifically in response to rainfall events, with no base flow between precipitation. Perennial streams flow year-round, while intermittent streams flow seasonally (not just during brief rainfall periods).

Answer:

Ephemeral