The air temperature is 70 degrees, and the relative humidity is 90%. Which conclusion can be made?(1 point)
Responses
The air holds little water vapor and is relatively dry.
The air holds little water vapor and is relatively dry.
The amount of water vapor in the air is 90% of what the air can hold.
The amount of water vapor in the air is 90% of what the air can hold.
The temperature must rise for air to become saturated with water vapor.
The temperature must rise for air to become saturated with water vapor.
The dew point temperature is 90% of the air temperature.
Which is correct about how air typically moves?(1 point)
Responses
High-pressure air and low-pressure air move alongside each other.
High-pressure air and low-pressure air move alongside each other.
High-pressure air moves on top of low-pressure air.
High-pressure air moves on top of low-pressure air.
Air moves from high-pressure areas to low-pressure areas.
Air moves from high-pressure areas to low-pressure areas.
Air moves from low-pressure areas to high-pressure areas.
The amount of water vapor in the air is 90% of what the air can hold.
A forecast indicates a dew point temperature equal to the air temperature. What does this information imply?(1 point)
Responses
Relative humidity is 100%, and there is no chance of rain.
Relative humidity is 100%, and there is no chance of rain.
Relative humidity is 0%, and there is no chance of rain.
Relative humidity is 0%, and there is no chance of rain.
Relative humidity is 100%, and it may rain.
Relative humidity is 100%, and it may rain.
Relative humidity is 0%, and it may rain.
Relative humidity is 0%, and it may rain.
Question 3
Relative humidity is 100%, and it may rain.
Air moves from high-pressure areas to low-pressure areas.
Which air mass would form over warm water?(1 point)
Responses
continental tropical
continental tropical
continental polar
continental polar
maritime tropical
maritime tropical
maritime polar
maritime tropical
A new air mass moves into an area. Which will most likely occur?(1 point)
Responses
The warmer air mass rises, and there will be sunshine and a clear day.
The warmer air mass rises, and there will be sunshine and a clear day.
The warmer air mass rises, and there will be clouds and rain.
The warmer air mass rises, and there will be clouds and rain.
The colder air mass rises, and there will be clouds and rain.
The colder air mass rises, and there will be clouds and rain.
The colder air mass rises, and there will be sunshine and a clear day.
The warmer air mass rises, and there will be clouds and rain.
Which statement best describes the air behind a cold front?(1 point)
Responses
The air is warm and wet.
The air is warm and wet.
The air is colder and drier.
The air is colder and drier.
The air is warm and dry.
The air is warm and dry.
The air is warmer and more humid.