GLG 220 Week 1 DQ 2
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Answer in 200-300 word count . Choose one question below and title your answer with Reply . What is the basis and criteria for developing the geologic time scale ? Based on your reading and experience , what is the most interesting period within the geologic time scale ? Why ? What is the nature of scientific inquiry ? What is the difference between a scientific hypothesis and a scientific theory ? How is hypothesis and theory different from a scientific law ? Select one of the common ores in your state or region ( such as northwest United States , southeast United States , or western Europe ). Where does it come from ? Why does it occur there ? How important is it economically ? Why ? ---------------------------------------------------------------------------------
GLG 220 Week 1 DQ 2
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Answer in 200-300 word count . Choose one question below and title your answer with Reply . What information do fossils provide about past life on Earth ? What information do fossils not provide ? Can you identify parts of a house that are made from minerals and rocks ? What parts and what specific minerals or rocks ? Are there any of those parts that could not be made for the house without some form of minerals or rocks ? Explain . Most gemstones , such as topaz , rubies , sapphires , emeralds , and diamonds , have a common mineral property that makes them