Rocks are defined as naturally-formed aggregates of minerals or mineral-like substances.

Answer the following statement true (T) or false (F)


True

Environmental & Atmospheric Sciences

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The end of Earth’s life cycle will occur as a result of the sun’s ____ phase

a. supernova b. red giant c. protostar d. nebula e. accretion

Environmental & Atmospheric Sciences

The cP air mass of North America is usually associated with a source region in ____

a. Iceland b. Aleutian Islands c. Mexico d. Canada

Environmental & Atmospheric Sciences

Fossil fuels represent

A) a large amount of Paleozoic and Mesozoic biomass buried anaerobically millions of years ago. B) natural deposits of organic materials that formed long before life on Earth evolved. C) the remains of fossil animals that lived a few thousand years ago. D) sustainable sources of energy that are underused today.

Environmental & Atmospheric Sciences

Limestone is dominated by the mineral ________

A) quartz B) calcite C) gypsum D) hematite

Environmental & Atmospheric Sciences