Glaciers are a single, solid piece of ice that flows from the Zone of Accumulation to the Zone of Saturation.
Indicate whether this statement is true or false.
Q. 2 - When did the ice-free corridor open in North America, allowing a path for human migration from Asia?
A) 12,500 years ago
B) 9,000 years ago
C) 100,000 years ago
D) 7,500 years ago
Q. 3 - ________ refers to the change in the angle Earth's axis makes with the plane of our planet's orbit.
A) Subduction
B) Eccentricity
C) Obliquity
D) Precession
Q. 4 - The amount of solar radiation coming in at ________ helps to determine whether or not a planet is going into an Ice Age.
A) 10 S
B) 45 N
C) 76 S
D) 65 N
Q. 5 - ________ is the name for glacial deposits that have been lithified into a sedimentary rock.
A) Tillite
B) Loessite
C) Sandstone
D) Schist
Q. 6 - How would plate tectonics explain the glaciation at the end of the Paleozoic Era, when no evidence of glacial ice can be found in high-latitude areas of North America and Eurasia?
A) The climate was too warm for glacial ice on those continents.
B) The glaciation was very small.
C) The continents were joined to form Pangaea, which was located around the South Pole.
D) There was an increased amount of solar radiation penetrating the atmosphere above those continents.
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