Drinking water varies from place to place, depending on the condition of the source water from which it is drawn and the treatment it receives, but it must meet EPA regulations. Even though our tap water supplies are considered to be one of the safest in the world,
water contamination can still occur. Which is these is NOT a likely source of contamination?
A)
Acid rain
B)
Sewage releases
Manufacturing processes, including heavy metals, cyanide
D)
Agriculture, including use of fertilizers, pesticides, livestock

What is the difference between the cultures of central asia and the caucasus region? the majority of people in central asia are muslim; the majority in the caucasus region are christian. the primary language in central asia is armenian; the primary language in the caucasus region is russian. central asia has been plagued by ethnic unrest; the caucasus region has had little ethnic conflict. the effects of soviet rule can still be seen in central asia; the caucasus region has developed its own identity since the fall of the ussr.