Filtration can separate a mixture of fine sand and coarse gravel. the holes in the filter should be large enough to allow to pass through.

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

Can someone me with these questions plz.

Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.