Answer:
When populations are separated by a barrier forming a new species
The Lithosphere is the layer of solid ground that makes up all of Earth’s continents. It is the <span>rigid, outermost shell of Earth.</span>
I believe is that one is salt water and the other is maybe regular water, salt water will shrink cells
The X symbol looks too much like the multiplication symbol, it also makes using it as a variable more confusing.
