Answer:
a. pyroxene (augite)
Explanation:
Pyroxene is a mineral which is found in igneous and metamorphic rocks of the earth crust. They are dark green in color. their formation needs high degree of temperature and high pressure. Pyroxene is made up of silicon as a major element but some elements also present in it such as Ca, Na, Mg, Fe, Al and Ti. Its chemical formula is (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6.
Answer:
D. Weathering
Explanation:
Weathering is the name given to the process by which rocks are broken down to form soils.
The tradition of the easter bunny began in Germany
True. Smog is fog combined with other pollutants like smoke than can be from automobiles or cars.
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<span>Supposedly at Jamestown but there are lots of theories about Norsemen (Vikings) travelling there in the 9th and 10th centuries and establishing settlements in Nova Scotia
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