We can separate sand from water by using a cloth or filter paper , but we .cannot separate salt from water by the same method.

the size of the salt is smaller than the pores of the cloth or filter paper. to separate the two we can use evaporation

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

i need mutiple choices