The ____________________ or focus of an earthquake is the location within the crust where the energy of an earthquake is released. The ____________________ is the point on Earth's surface directly above the focus.
Fill in the blank(s) with correct word
Question 2At the height of the Great Ice Age, the present desert regions of southwestern United States ____.
A)were covered with continental ice sheets
B)were drier than modern day conditions
C)had large lakes form in intermontane basins
D)were tropical rainforest environments
E)were covered with valley glaciers
Question 3The theory of elastic rebound was proposed as a result of studies following the ____________________ earthquake in the year ____________________.
Fill in the blank(s) with correct word
Question 4Because of the large amount of weight in a glacial mass, the crust of Earth may ____.
A)remain stationary
B)rebound or uplift
C)subside
D)collapse into the mantle
E)melt
Question 5The geothermal gradient is not useful for estimating temperatures at great depth.
Indicate whether the statement is true or false
Question 6What is not a direct or an indirect result of glaciation?
A)uplift
B)change in sea level
C)proglacial lakes
D)plate motion
E)pluvial lakes
Question 7Cold rocks have greater elasticity than do hot rocks.
Indicate whether the statement is true or false
Question 8When did the last ice age begin?
A)150 years ago
B)500 years ago
C)10,000 years ago
D)1.5 million years ago
E)2.6 million years ago
Question 9We know that the mantle is not molten because P-waves can travel through it.
Indicate whether the statement is true or false
Quick Reply
