World History/Geography OSAT Exam Questions and Answers 100% Solved
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Course
OSAT
Institution
OSAT
World History/Geography OSAT Exam
Questions and Answers 100% Solved
Through which of the following does the prime meridian not pass?
A. Equator
B. Middle of the pacific ocean
C. Greenwich, England
D. Tropic of Cancer - C: The prime meridian does not pass through the
middle of the Pacific Oce...
Through which of the following does the prime meridian not pass?
A. Equator
B. Middle of the pacific ocean
C. Greenwich, England
D. Tropic of Cancer - ✔✔C: The prime meridian does not pass through the
middle of the Pacific Ocean. It is 0°, the line from which longitude is
measured. There is no special reason why it passes through Greenwich,
other than that the observatory there was one of the first to devise a system
for measuring longitude and therefore put itself at the base of the system.
The international date line is 180° longitude; it passes through the middle of
the Pacific Ocean. Both the equator and the Tropic of Cancer are lines of
latitude and therefore intersect the prime meridian. The equator circles the
earth at its broadest circumference, equidistant from the North and South
poles. The equator has a latitude of 0°. The Tropic of Cancer, 23°26′22′′
North latitude, represents the northernmost point at which the sun is
directly above the earth. In other words, at no point during the year will the
,sun be directly above any point north of the Tropic of Cancer. This line is
mirrored in the Southern Hemisphere by the Tropic of Capricorn.
What is the name of a line that connects points with equal total rainfall?
a. Isotherm
b. Isoline
c. Isobar
d. Isohyet - ✔✔D: An isohyet is a line that connects points with equal total
rainfall. On an isohyetal map then, a series of lines will indicate areas of
greater or lesser rainfall. This is a form of contour map, the most common
of which uses a series of lines to indicate changes in elevation. The other
answer choices represent lines used in other forms of contour maps. An
isotherm connects points with the same temperature. An isoline connects
points with an equal value, as, for instance, on a contour map illustrating
iron production. An isobar connects points with identical atmospheric
pressure.
The apparent distance between Greenland and Norway is greatest on a(n)
A. Mercator Map
B. Conic Projection Map
C. Contour Map
,D. Equal-Area Projection Map - ✔✔A: The apparent distance between
Greenland and Norway will be greatest on a Mercator map. The Mercator
map is a type of cylindrical projection map in which lines of latitude and
longitude are transferred onto a cylindrical shape, which is then cut
vertically and laid flat. For this reason, distances around the poles will
appear increasingly great. The Mercator map is excellent for navigation
because a straight line drawn on it represents a single compass reading. In
a conic projection map, on the other hand, a hemisphere of the globe is
transposed onto a cone, which is then cut vertically (that is, from rim to tip)
and laid flat. The apparent distances on a conic projection will be smallest
at the 45th parallel. A contour map uses lines to illustrate the features of a
geographic area. For example, the lines on an elevation contour map
connect areas that have the same altitude. An equal-area projection map
represents landmasses in their actual sizes. To make this possible, the
shapes of the landmasses are manipulated slightly, and the map is
interrupted (divided into more than one part).
On a globe, the distance between Buenos Aires and Tokyo is 35 cm. If the
globe has a scale of 1 cm for every 516 km, what is the real distance?
a. 18,060 km
b. 35 km
, c. 21,080 km
d. 14,740 km - ✔✔A: The distance between Buenos Aires and Tokyo is
approximately 18,060 km. The process o
f converting a scaled distance to a real distance is fairly simple. In this
case, multiply the number of centimeters by the number of kilometers
represented by each of these centimeters. The calculation can be
expressed as (35 cm) (516 km/1 cm). Because centimeters are in the
numerator of the first term and the denominator of the second term, they
cancel out, leaving kilometers as the unit.
The shortest distance between New York and Paris goes
a. Over Florida and Spain
b. Along the 42nd parallel
c. Over Labrador and Greenland
d. Over Philadelphia and London - ✔✔C: The shortest distance between
New York and Paris goes over Labrador and Greenland. This is not
apparent on a projection map, in which a straight line drawn between the
two cities would extend straight out across the Atlantic Ocean, roughly
along the 42nd parallel. The illusion that this straight line is the shortest
path is a result of the distortions inherent in projection maps. On a globe, it
would be easier to see that a plane flying from New York to Paris would
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