The footprints at Laetoli were remarkably well-preserved because:

Mary Leakey’s discovery of fossil footprints in volcanic ash at Laetoli was important because:

How could an archaeologist tell if flowing water rather than human behavior was responsible for the deposition of artifacts at an archaeological site?

Soil development occurs:

The age of the Laetoli footprints was determined by:

A B horizon is:

Reverse stratigraphy would result from which of the following situations?

An example of a formation process is:

Mary Leakey’s discovery of fossil footprints in volcanic ash at Laetoli was important because:

The upper part of a soil where active organic and mechanical decomposition of geological and organic material occurs is the: