Which material's properties is most suitable for weapons and tools?

Which characteristic do the Eyes of Nok sculptural figures have in common?

a. they are left blank b. they are painted c. they are "D"-shaped d. their height is greater than their width

Hacilar and Çatal Höyük are located on the ________.

a. Tigris Euphrates River Delta b. Nile River Delta c. Iranian Plateau d. Anatolian Plateau