The Colstrip Power Plant in Montana burns
releasing
into the air.
A. Iron; HCI
B. Carbon; base(soap)
C. Coal; H2SO4(sulfuric acid)
D. None of the above

Coal; H2SO4(sulfuric acid)

Explanation:

Coal has been very helpful in power generation for decades. It has also become a major contributor to global warming, and has major negative effects on human health and the environment.

Coal is formed when dead plant matter submerged in swamp environments is subjected to the geological forces of heat and pressure over hundreds of millions of years. Over time, the plant matter transforms from moist, low-carbon peat, to coal, an energy- and carbon-dense black or brownish-black sedimentary rock.

There are many types of coal. Each type of coal must contain sulfur, which, when burned, releases toxic air pollution. The extent Sulfur content in a given coal sample is largely decided by the conditions under which the coal is formed. Low-sulfur coal usually develop in freshwater environments; high-sulfur coals are formed in brackish swamps.

The burning of coal releases its sulphur content as oxides of sulphur (SOx). These oxides of sulphur dissolve in rain water to form acid rain. Hence rain falling around the Colstrip power plant will contain H2SO4 resulting from the dissolution of SOx in rain droplets.

answer: the figure is attached herewith.

step-by-step explanation:   we are given to sketch a unit circle and label the terminal points corresponding to

in the attached figure, we have drawn a unit circle, with centre at o(0,0) and radius 1 unit. we have labelled the points a, b, c, d and e corresponding to the angles below

∠aox = 60°,

∠box = 120°,

∠cox = 180°,

∠dox = 240°,

∠eox = 300°.

and the coordinates are a(0.5,1), b(-0.5,1), c(-1,0), d(-0.5,-1) and e(0.5,-1).

thus, the answer is complete.

b.

the accuracy of the data.