Which of the following is not a boigenous sediment?
a) manganese nodules
b) calcareous ooze
c) siliceous ooze
d) phosphate-rich material

Why might have people followed the rivers to find their way into asia

How do ocean currents affect temperature? check all that apply. they carry cold water from the poles to the equator and cool air over land. they flow north and then south below the equator. they flow south and then north above the equator. they move warm water from the equator to the poles and heat air over land. they move east to west and create prevailing winds. they move west to east and create seasonal winds.

The layers of earth are based on what two sets of characteristics?