The principle that Earth's crust is in floating equilibrium with the denser mantle below is known as ____________________.
Fill in the blank(s) with correct word
Question 2An important aspect of the magnetic field is that the ____________________ poles, where the lines of force leave and enter Earth, do not coincide with the ____________________ poles.
Fill in the blank(s) with correct word
Question 3A hiatus between igneous or metamorphic rocks and sedimentary rocks is represented in the rock record by a(n) ____.
A)angular unconformity
B)hiatal unconformity
C)nonconformity
D)anticonformity
E)disconformity
Question 4An episode of mountain building during which intense deformation takes place is known as a(n) ____________________.
Fill in the blank(s) with correct word
Question 5____________________ rise more than one kilometer above the seafloor, and if flat-topped, they are called ____________________.
Fill in the blank(s) with correct word
Question 6A clast of granite found in a conglomerate is determined to be one hundred million years old. What does this information suggest about the conglomerate?
A)The conglomerate is older than 100 million years.
B)The conglomerate is younger than 100 million years.
C)The conglomerate was exposed to volcanic processes 100 million years ago.
D)The conglomerate experienced volcanic processes more than 100 million years ago.
E)We cannot determine anything about the age of the conglomerate from this information.
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