The fossil record contains the appearances of _ of life forms.
In 1786, the French paleontologist Georges Cuvier proved that extinction of species had occurred by
The primary energy sources that make the Earth an active body include all but which of the following?
A. the Earth's internal heat
B. the Sun
D. the impact of extraterrestrial bodies
The outward flow of Ea
The correct answer for each question is indicated by a
As the magnitude of natural disasters increases their frequency of
C)remains the same
D)varies over time
E)cannot be predicted
Feedback: Yes, there is
Most of the 40 deadliest disasters between 1970 and 2005 occurred in a belt running from China
and Bangladesh through India and Iran to Turkey. This area was particularly vulnerable because
A. it has a high population density
The Lisbon earthquakes of 1755 are historically significant because _.
A. it was the first time anyone had ever successfully predicted an earthquake
B the reconstruction efforts after the earthquakes stimulated the Portuguese economy, le
On 12 September 1812, Napoleon and the French army reached the hills outside of _ and found
it to be largely deserted, with fires burning throughout; for six days, the fires raged until 90 percent of the
city was incinerated.
The famous violins made by Antonio Stradavari in the late 1600s may owe their superior acoustical
properties to the dense wood grown during a 70-year global _.
A. warm spell called the Medieval Warm Period
B. warm spell called the Prima
In the last 5.5 million years, rifting action has torn Baja California and California west of the San Andreas
fault (including San Diego, Los Angeles, and Santa Cruz) from the _.
A. Pacific plate and piggybacked them onto the Juan de Fuc
All of the continents were once combined into a single supercontinent called _.
Which of the following is NOT a basic tenet of plate tectonics?
A. Melted asthenosphere fl
The 2005 Atlantic hurricane season broke many all-time records, including all but which of the
A. greatest number of named tropical storms in one season
B. greatest number of named tropical storms before August 1
Stony meteorites are less commonly collected than iron meteorites because _.
A. they break up more readily while passing through the Earth's atmospheric filter
B. those that reach the ground are weathered and destroyed more rapidly
Which of the following types of severe weather results in the highest average annual death toll in the
During the course of a year, the equatorial regions of Earth r
Between 1960 and 2006, floods in the United States resulted in an average of _ deaths per
Between 1960 and 2006, floods in the United States produced an average of _ in damage per
In 1883, Edvard Munch created his famous painting The Scream after witnessing a blood red sky over
Oslo, Norway, caused by the eruption of _.
A. Laki Volcano, Iceland
B. Vesuvius Volcano, Italy
C. Tambora Volcano, Indonesia
D. Krakatau V
The most famous of all volcanoes probably is Vesuvius, and the most famous of its eruptions are those of
79 C.E., which buried the cities of _.
A. Pompeii and Herculaneum
B. Naples and Rome
C. Naples and Milano
D. Petra and Florence
The 2004 Indian Ocean tsunami killed an estimated 245,000 people in _ countries.
Most of the 245,000 deaths from the 2004 Indian Ocean tsunami occurred in _.
B. Sri Lanka
Before a landslide mass begins to move downhill, it must overcome _.
A. gravity and friction
B. inertia and gravity
C. inertia and friction
D. gravity and creep
Swelling of soil is caused by all but which of the following?
If Alaska and California are ignored, the list of 10 largest U.S. earthquakes shows _.
A. only events centered in Washington and Oregon
B. only events centered in Washington, Montana, and Hawaii
C. only events centered in Washington, Ore