The Perennial Pepperweed was first introduced in Las Vegas during the 19th century. This weed damages the soil and makes it impossible for other plants to grow around
it. It has been continuing to spread in southern Nevada and threatens many
organisms in the area. The Perennial pepperweed is an example of:

A. An endangered species.

B. An invasive species.

C. An abiotic factor

D. A non-living factor.