The ocean basins are basically:
totally flat plains
grooved and ridged
mountainous
flat plain with grooves

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

To be or not to be that is da question