Kahalaagahan sa kasalukuyan Mga Kontribusyon ng Sinaunang Lipunan at komunidad
sa Asya
1. Sewerage System
2. Pamantayan ng sukat at bigat
3. Kalendaryo
4. Sistema ng pagsulat
5. Magnetic Compass​

answer; i believe the correct answer is (a) nigeria is the largest african crude (oil) supplier; /// so revenue from petroleum;

answer; round wood logs, building materials like (plywood),also pulp and paper products;

heat from the core of the earth causes convection currents to occur in the mantle. these currents slowly move the crust around.

hi there!

the answer you are looking for is relatively steep.

have a nice day!