What type of rocks are formed by sodium rich plagioclase feldspar, biotite, and amphibole

True or false.the baltic states have taken steps to diversify. or decrease the variety of their industries

What two advantages do the coastal countries of west africa have over the sahel countriesfertile soil and mineral resources temperatures and terrain human resources and natural resources weather patterns and location

Heyi am new to are you all americans? ( just want to know , i don't mean any offence ) ?