The silicate mineral that is found in the greatest variety of igneous rocks of various compositions is . Group of answer choices plagioclase pyroxene olivine quartz

Which of the following is not a place where hydrogen can be found on earth? a. natural gas well b. atmosphere c. water d. mine

What did the native title act do? a. it recognized and protected aboriginal rights to land. b. it stated that aborigines were to be counted as part of the census. c. it established aboriginal languages as official. d. it granted aborigines suffrage.

The separation of northern ireland from the republic of ireland is an example of