Septic tanks can leach nitrates into water systems, like rivers and aquifers. however, some homes are too far away from municipal treatment facilities to use
anything else. what can county officials reasonably do to ensure septic systems are not harming their community?
a)prohibit the use of all septic systems in new construction
b)charge extra fees and taxes on home owners who have septic systems
c)create additional treatment facilities for outlying communities
d)test water sources regularly and require system inspections of home owners

Read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. applying the biological species concept, the sterility of ligers reveals that a. lions are probably a subspecies of tigers b. tigers and lions are the same species c. a new species called "ligers" is forming d. tigers and lions are separate species

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

What are some possible consequences of preventing prescribed burns and natural wildfires