How did the building of pyramids lead to advances in science and mathematics in Ancient Egypt

What is the general rule about surface currents? cold water flows along the ocean floor towards the equator. the east coasts of continents have cold surface currents, and the west coasts of continents have warm surface currents. seasonal and constant offshore winds create significant upwelling along the west coasts of south and north america and africa. the west coasts of continents have cold surface currents, and the east coasts of continents have warm surface currents.

Which of the following is not a reason why shenzhen, china, is considered an emerging global city

Soil is made of air water organic material minerals weathered rock