Chemistry
Bridgmanite is

Earth’s most abundant minera
A bridge on the river Thames
Name of a game
Name of a music

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Chemistry
What are the components responsible for acid rain?

Carbon dioxide (CO2) and Carbon monoxide (CO)
Oxides of carbon (COx) and Oxides of nitrogen (NOx)
Sulphur dioxide (SO2) and Nitrogen oxides (NOx)
Nitrogen monoxide (NO) and Carbon monoxide (CO)

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