How did navigational tools change from the 15th century to the 17th century? A They became larger. B They became smaller. C they became less accurate D They became more accurate

What greek scientist created a screw to move water for irrigation?

You are a migrant worker from india who has come to key wait image and you do you are you most likely to seek work

The controlled use of fire by hominids: (a) limited the expansion of hominids into certain environments, such as dry grasslands. (b) decreased the amount of food energy available in the hominid diet. (c) contributed to geographical expansion and food production techniques in positive ways. (d) has been shown to contribute little to the digestive process of hominids.