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Here are questions 71–80 of your 100-question multiple choice test:
71. What describes a land breeze?
A) Occurs during the day, from land to sea
B) Occurs at night, from land to sea
C) Occurs at night, from sea to land
D) Happens only during storms
Answer: B) Occurs at night, from land to sea
72. What causes the Coriolis effect?
A) Earth’s magnetic field
B) Earth’s rotation
C) Atmospheric pressure
D) Solar radiation
Answer: B) Earth’s rotation
73. What is the main characteristic of geostrophic wind?
A) It always blows at the surface
B) It flows in a circular motion
C) It results from balance between Coriolis force and pressure gradient force
D) It occurs only in tropical regions
Answer: C) It results from balance between Coriolis force and pressure gradient force
74. What is the result of friction near Earth’s surface on wind speed?
A) Increases wind speed
B) Stops the wind entirely
C) Has no effect
D) Reduces wind speed
Answer: D) Reduces wind speed
75. What effect does surface friction have on wind direction?
A) Turns wind parallel to isobars
B) Increases Coriolis effect
C) Causes wind to cross isobars toward low pressure
D) Causes wind to reverse direction
Answer: C) Causes wind to cross isobars toward low pressure
76. Where is the Coriolis effect strongest?
A) At the equator
B) Over oceans
C) At the poles
D) In the tropics
Answer: C) At the poles
77. Why does a valley breeze blow uphill during the day?
A) Cool air descends
B) High pressure forms in the valley
C) Warm air rises along the slopes
D) Wind flows from ocean to land
Answer: C) Warm air rises along the slopes
78. What causes pressure differences on Earth’s surface?
A) Differences in salinity
B) Uneven heating of Earth’s surface
C) Earth’s gravitational pull
D) Lunar tides
Answer: B) Uneven heating of Earth’s surface
79. What happens to wind speed as you move higher in the atmosphere (above the friction layer)?
A) Decreases
B) Stays the same
C) Increases
D) Stops completely
Answer: C) Increases
80. In what layer of the atmosphere do jet streams occur?
A) Stratosphere
B) Troposphere
C) Mesosphere
D) Thermosphere
Answer: B) Troposphere
Here are questions 81–90 of your 100-question multiple choice test:
81. What direction do cyclones rotate in the Northern Hemisphere?
A) Clockwise
B) Counterclockwise
C) Outward
D) Downward
Answer: B) Counterclockwise
82. What causes surface winds to be slower than winds aloft?
A) Less solar radiation
B) Lower pressure gradient
C) Greater friction at the surface
D) Stronger Coriolis effect
Answer: C) Greater friction at the surface
83. Which of the following winds is a type of local wind?
A) Jet stream
B) Sea breeze
C) Geostrophic wind
D) Gradient wind
Answer: B) Sea breeze
84. Why do pressure gradients cause wind?
A) Wind moves from high to low temperature
B) Wind moves from low to high humidity
C) Air moves from high to low pressure
D) Air moves from low to high pressure
Answer: C) Air moves from high to low pressure
85. When is a sea breeze most likely to occur?
A) During a storm
B) At night
C) During the day
D) During winter
Answer: C) During the day
86. What happens to the direction of geostrophic wind when isobars curve around a high pressure system?
A) It moves straight
B) It reverses
C) It becomes gradient wind
D) It descends rapidly
Answer: C) It becomes gradient wind
87. Why does a land breeze form at night?
A) Water cools faster than land
B) Land cools faster than water
C) Sun heats land more at night
D) Wind always blows toward land
Answer: B) Land cools faster than water
88. What kind of wind would you expect with strong pressure gradients?
A) Weak and steady wind
B) Strong winds
C) Calm wind
D) Random wind patterns
Answer: B) Strong winds
89. Which of the following is true about air in a high pressure system?
A) It rises and cools
B) It descends and warms
C) It moves inward and up
D) It is always humid
Answer: B) It descends and warms
90. What local wind can bring sudden warming to areas east of the Rockies?
A) Sea breeze
B) Mountain breeze
C) Chinook wind
D) Katabatic wind
Answer: C) Chinook wind
Here are questions 91–100 of your 100-question multiple choice test:
91. What is the primary motion of air in an anticyclone?
A) Rising and spiraling inward
B) Sinking and spiraling outward
C) Horizontal and steady
D) Turbulent and vertical
Answer: B) Sinking and spiraling outward
92. What causes geostrophic wind to occur?
A) Wind blowing through a canyon
B) Balance between pressure gradient and Coriolis forces
C) High humidity levels
D) Surface friction only
Answer: B) Balance between pressure gradient and Coriolis forces
93. Which term best describes downward movement of cold air from elevated terrain?
A) Valley breeze
B) Sea breeze
C) Katabatic wind
D) Trade wind
Answer: C) Katabatic wind
94. What is the typical direction of sea breeze movement during the day?
A) From land to sea
B) From sea to land
C) From north to south
D) From valley to peak
Answer: B) From sea to land
95. How does friction affect the direction of wind near Earth’s surface?
A) Aligns it parallel to isobars
B) Deflects it more to the right
C) Causes it to cross isobars at an angle
D) Stops wind motion completely
Answer: C) Causes it to cross isobars at an angle
96. Which force is responsible for deflecting moving air to the right in the Northern Hemisphere?
A) Friction
B) Pressure gradient
C) Coriolis effect
D) Gravity
Answer: C) Coriolis effect
97. What is the effect of air divergence aloft on surface pressure?
A) Increases surface pressure
B) Lowers surface pressure
C) Has no effect
D) Stops wind movement
Answer: B) Lowers surface pressure
98. What condition would likely result in calm and clear weather?
A) Surface convergence
B) Low pressure system
C) Cyclonic rotation
D) High pressure system
Answer: D) High pressure system
99. What causes the formation of jet streams?
A) Solar radiation only
B) Differences in humidity
C) Strong pressure gradients in the upper atmosphere
D) Ocean temperatures
Answer: C) Strong pressure gradients in the upper atmosphere
100. What kind of wind system dominates large-scale upper atmosphere circulation?
A) Local winds
B) Trade winds
C) Geostrophic winds
D) Mountain breezes
Answer: C) Geostrophic winds