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Refer to the weather map below. Which of the following best explains the formation of Tornado Alley in the Central United States?

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a
Air mass A is warm, dry air. Air mass B is cold, humid air. When these two air masses meet, the warm air mass pushes the cold air mass upward, leading to extreme weather patterns such as tornadoes.
b
Air mass A is warm, humid air. Air mass B is cold, dry air. When these two air masses meet, the warm air mass pushes the cold air mass upward, leading to extreme weather patterns such as tornadoes.
c
Air mass A is cold, humid air. Air mass B is warm, dry air. When these two air masses meet, the cold air mass pushes the warm air mass upward, leading to extreme weather patterns such as tornadoes.
d
Air Mass A is cold, dry air. Air Mass B is warm, humid air. When these two air masses meet, the cold air mass pushes the warm air mass rapidly upward, leading to extreme weather patterns such as tornadoes.

14 answers

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Where do most tornadoes form?

Northeastern part of United States, due to the continental polar and continental tropical air masses interacting.
Southwestern part of the United States, because of the warm weather.
No where in the United States, because we always have stable air.
South Central part of the United States due to the maritime tropical and continental polar air masses interacting.
None of the above options is correct. Most tornadoes form in an area known as Tornado Alley, which is located in the south-central part of the United States, where warm, moist air from the Gulf of Mexico meets cool, dry air from Canada and the Rocky Mountains. This area includes parts of Texas, Oklahoma, Kansas, Nebraska, South Dakota, Iowa, and Missouri.
How is an air mass classified?

Temperature and location
Temperature and humidty
Density and humidity
Density and location
An air mass is classified based on its temperature and humidity characteristics. The temperature of an air mass is determined by the region over which it forms, while the humidity is determined by the surface area from which it is formed. Therefore, the correct answer is "Temperature and humidity."
Which statement best compares humidity and relative humidity?

A. Humidity is measured as a percentage, while relative humidity is measured using g/m3.
B. Humidity can be measured using g/m3, while relative humidity is measured as a percentage.
C. Both humidity and relative humidity are measured as a percentage.
D. Both humidity and relative humidity are measured using g/m3.
B. Humidity can be measured using g/m3, while relative humidity is measured as a percentage.

Humidity is the amount of water vapor present in the air, measured in grams per cubic meter (g/m³). On the other hand, relative humidity is the ratio of the amount of water vapor present in the air to the maximum amount of water vapor that the air can hold at a given temperature and pressure. It is expressed as a percentage.
High Humidity and low air pressure produce _____.

a. rain
b. fair weather
c. sunny and cool weather
d. hot and dry weather
a. rain

High humidity and low air pressure are often associated with unstable atmospheric conditions that are favorable for the formation of clouds and precipitation, especially rain.
Which weather events are likely to happen due to a low-pressure system?

a. hurricane, snow, sunny day
b. blizzard, rain, snow
c. dry weather, blizzard, sunny day
d. rain, clear skies, clouds
d. rain, clear skies, clouds

A low-pressure system is generally associated with unstable atmospheric conditions that often lead to the formation of clouds and precipitation, especially rain. It can also cause gusty winds, thunderstorms, and some amount of cloudiness. However, the formation of each weather event depends on various atmospheric factors such as temperature, humidity, wind speed, and direction, etc.