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
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
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