An example of a mineral made up of a pure element is
a. coal
b. copper
c. quartz
d. glass

What kind of fault is the san andreas fault

Which of these is most likely a characteristic of a non-radioactive daughter isotope after it is form from the parent isotope ? a. stable electrons b. stable nucleus c. positively charged atom d. negatively charged ion

Avast plain of rolling hills are actually folds of monoclines domes and basins anticlines and synclines horsts and grabens