Before the europeans came, trade between africa and the middle east and india was controlled by:
a. kingdoms
b. pirates
c. city-states

The net below can be folded to form a square pyramid.la2419"100what is the surface area of the pyramid? 190.8 square inches| 0 217.8 square inches300. 6 square inches354.6 square inches

Where the main factor that enabled the growth of cities and civilizations was the existence of

Put these ecosystems in order of least biodiversity to most biodiversity 1. mediterranean forest 2. indonesian rain forest 3. arctic ocean