A rock contains a glassy, vesicular texture and is composed mainly of potassium feldspar and quartz. State the name of rock B. * two elements that make up the chemical composition of the mineral in quartzite *

What did hunter gathers do to alter the environment?

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.

Which statement describe events that occur during interphase?