A geologist is looking at deposits along a river below a large volcano. She finds large boulders mixed with sand and mud, and al
l of the material is comprised of volcanic rocks, particularly the mud which is volcanic ash. She quickly realizes these deposits represent an ancient ________.
An ancient lahar is the likely kind of <u><em>volcanic deposit </em></u>discovered by the geologist here considering that an ancient lahar is a mudflow on the flanks of a volcano. It usually consists of;
Those are all plateaus, though you could figure this out with elimination, too. Peninsulas are land forms with 3 sides water, mountains generally form in mountain ranges, and usually deserts are larger than the two small cells on the right side.