Mitosis is when a single cell splits apart and creates two new cells that are identical to the parent cell.
Finches in the Galapagos Island are good example of adaptation because these finches have undergone several variations in their beak shape and form according to their ecological niche.Nov 29, 2017
A heterogeneous mixture composes of non- uniform components, so the concrete would be the answer, because you can tell the components from one another.
the Ozone Layer is the answer