Each organism is unique because of genetic variation. Each set of genes we inherit from our parents codes for a specific trait. And our DNA is a blueprint for these traits. Not everybody contains the same genes and that is why we are all so beautifully unique.
Pollution is the biggest impact as well as deforestation
I would go with b? That just in my opinion tho
If the sediments are put down, it's deposition
If the sediments are being moved, it's erosion
