Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers and groundwater). This form of environmental degradation occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds.
Water pollution affects the entire biosphere – plants and organisms living in these bodies of water. In almost all cases the effect is damaging not only to individual species and population, but also to the natural biological communities.
Answer:
1, In 1815 the European powers namely the Britain, Russia, Prussia and Austria had defeated nepolean and met at vienna to draw up a settlement for Europe.they drew up the treaty of vienna for the objective of undoing most of the changes brought by Nepolean.
2, Giuseppe Mazzini was a Italian revolutionary who forged to unify Italy into a nation state.
Answer:Which of the following is the best example of an invention that has been used to overcome physical features?
A.
ships
B.
fences
C.
microwaves
D.
gaming systems
Explanation:
Answer:
B
Explanation:
A is incorrect because the Appalachians are not jagged and point
C is incorrect because erosion/deposition would do this
D is incorrect because weathering does not affect tectonic plates