Question

a delta is a nearly flat area of land that forms where a river meets a larger body of water. a delta is made from rock and soil that is carried downstream by the river. sometimes, deltas are shaped like triangles. select the delta.

Explanation:

To identify the delta, we use the definition: a nearly flat land area formed where a river meets a larger body of water, made of rock/soil carried by the river, sometimes triangular. The third image shows a flat, river - mouth - like area with sediment deposition (shaped like a triangle - like flat region at the river - ocean interface), matching the delta's characteristics. The first image looks like a glacial or mountainous coastal area, and the second has island - like formations (not a river - mouth delta).

Answer:

The third image (the one on the right)