Question

what is a delta very short answer​

Answer 1

an area of flat land shaped like a triangle where a river divides into smaller rivers as it goes into the sea

hope it helps

Answer 2

Hello!

A river delta is a landform where the mouth of a river flows into an ocean, sea, desert, estuary, lake or another river. ... The word "delta" comes from the upper-case letter delta, Δ , in the Greek alphabet because many river deltas are triangular like this letter.

@BOONSTAR