Between 4000 and 3000 BCE, agricultural villages and cities began to emerge. All of the following new economic developments grew out of these prosperous cities, except which? a. Grain mills c. Textile mills b. Ceramic shops d. Metal workshops Please select the best answer from the choices provided A B C D.

What are the choices?

The answer is c. ts-ang chieh

Material safety data sheetswhen working with any type of chemical the should be posted in a conspicuous place in the work areamsdsif a material does pose a health hazard teachers shouldobserve appropriate precautions when they or their students handle the materialmsds are available fromproduct manufacturesmsds sheets must beavailable in shop/science classes at all times