1) materials found in nature that are used by living things a) natural resource
b) divine kingship
c) Fertile Crescent
d) Mesopotamia

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.

What would be the distance of all the planets to the sun in astronomical units?

What causes heat transfer in fluids