The Acheulean hand ax, shaped like a teardrop, represents a predetermined shape based on a template in the mind of the toolmaker. Evidence for such a mental template in the archaeological record suggests a cognitive leap between earlier hominins and H. erectus. a) trueb) false

This is a True statement.

Explanation:

Acheulean is a tool made up of stone. The tool appears in distinctive oval and pear-shape. It is commonly used as "hand-axes" in olden days.

Acheulean hand ax is made by the ancestors of hominin family. It is used as a tool for scavenging and cutting. The axes are flaked to make it sharp at the edges. This tool was also used in cutting plants, digging the soil and butchering purposes.

Archaeological department suggests that the ax was in use between earlier hominins and H. erectus.