The chinese knew how to produce silk by about 2700 b. c. a. true b. false

During the early neolithic era, people relied on domesticated animals to provide each of the following except a. hides for clothes b. labor to pull plows c. manure for the soil d. meat, cheese, and milk for food

Aheard of sheep moves up in the mountain to graze during summer and migrated to the valley during winter what type of migration do the sheep follow

The national security act of 1947 reflected: