<em>Pollution can be described as the presence of ecologically harmful substances in the environment. </em>
Littering the ground is considered pollution because it is harmful to the environment in the long term. Harmful chemical in water is outrightly considered pollution because this will hurt the organisms living in the water and rendered the water unusable to those around it.
Bird droppings that contain seeds from a different location" is the correct answer. Sometimes when seeds from different areas are ingested, the genetic material is passed on.
I think that these are A climate changes because they both got fur to match the snow/winter climate I know it's not C cause this has nothing to do with food, and i don't think it's B either, so I think the best answer choice would be A
