Any potentially harmful substance that humans add to an ecosystem
a)
is called pollution.
b)
might cause acid rain.
c)
is always a carcinogen.
eliminate
d)
deplete the ozone layer.

Which at first gave the south an edge in the civil war? a. a better-equipped army b. the invention of ironclad ships c. the drafting of slaves into the army

In article v of the united states constitution, the amendment process is explained. why did the framers include provisions for amending the constitution? a) to limit the individual liberties of american citizens b) to allow the constitution to adapt to future circumstances c) to allow the president to change the constitution as needed eliminate d) to ensure that state governments had more power than the nation

Stie cineva cati ani poti fii director de sa imi specificati si legea va rog