Is it possible for two igneous rocks to have the same mineral composition?

Which of the following is the major contributing factor in all landslides? stream erosion precipitation earthquakes gravity sedimentary layers oriented parallel to the slope

If you were a casual recreational hiker with young children, which of the following trails would be least strenuous for a leisurely family outing? a. merced lake trail b. mirror lake loop trail. c. tenaya lake and tuolumne meadows trail d. el capitan trail

How did mercantilist policies european countries build wealth and power