Scientist find vents rock on earth surface that is made of magnesium and smaller amounts of aluminum in silicone. what layer of earth might this rock scientist study?

Which is not a cash crop grown in the high islands of melanesia and polynesia? d. rubber c. coffee b. sugar cane a. kiwifruit

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

Who believed that the universe was made of tiny uncuttable particles