GLG 101 Final Exam | 175 Questions with 100% Correct Answers | Updated & Verified | 20 Pages

The Scientific Method - is limited to effectively gaining knowledge about the physical realm. correct application of the scientific method requires a nullifyable hypothesis because - no hypothesis can ever be proven true, but it can be proven false. scientists believe the age of the universe is - 15-20 billion years according to the Nebular Hypothesis, our solar system formed - from a swirling cloud of gas and debris produced by a super nova the 2 most common elements in the earth's core are - iron and nickle the 4 most abundant elements in the crust of the earth are - oxygen, silicon, aluminum, and iron The Earth is internally zoned into distinct physically differentiated layers based on - whether the material in the layers is in a solid, plastic, or liquid state The solid layer exposed at the surface of the Earth is called the - lithosphere A thin liquid layer between the solid crust and the upper mantle is called the - asthenosphere The earth's mantle - is composed of semi-rigid, ductile rock