A tentative, testable statement about the general nature of a phenomenon is called a/an ________.
A) guess
B) law
C) observation
D) hypothesis
E) theory
Question 2
Which of the following statements is TRUE of the lithosphere?
A) The lithosphere is composed only of outer mantle material.
B) The lithosphere is composed only of igneous rock.
C) The lithosphere is composed only of metamorphic rock.
D) The lithosphere is composed of the crust and the uppermost portion of the mantle.
E) The lithosphere is composed of the inner portion of the mantle and the outer core.