1.on what kinds of physical evidence do scholars base their knowledge of textiles and clothing items that were used in prehistoric periods

The answer is below

Explanation:

There are various forms of physical evidence in which the scholars base their knowledge of textiles and clothing items that were used in prehistoric periods, some of which are the following items or physical evidence:

1. Needles and Bone sculptures

2. Painted arts and Cave painting from the stone age

3. Pottery with fabric texture

4. Imprints of prehistoric humans.