Connexus Science 8 A Weather Unit Test check my answers pls correct me if I'm wrong
The air temperature is 70 degrees, and the relative humidity is 90%. Which conclusion can be made?(1 point)
Responses
The amount of water vapor in the air is 90% of what the air can hold.**
The dew point temperature is 90% of the air temperature.
The temperature must rise in order for air to become saturated with water vapor.
The air holds little water vapor and is relatively dry.
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 0%, and it may rain.**
Relative humidity is 100%, and it may rain.
Relative humidity is 0%, and there is no chance of rain.
Which is correct about how air typically moves?(1 point)
Responses
High-pressure air moves on top of low-pressure air.
Air moves from high-pressure areas to low-pressure areas.**
High-pressure air and low-pressure air move alongside each other.
Air moves from low-pressure areas to high-pressure areas.
Which air mass would form over warm water?(1 point)
Responses
maritime polar
continental polar
maritime tropical**
continental 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 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 dry.
The air is warmer and more humid.
The air is colder and drier.**
The air is cold and filled with moisture.
A meteorologist analyzes data to develop weather forecasts. Which weather-based data would be most helpful for a meteorologist to track in order to most accurately predict changes in weather? (1 point)
Responses
temperature and moisture levels of moving air masses
levels of precipitation and types of clouds**
density of air and humidity levels
number of recent thunderstorms and tornadoes sighted in an area
Which statement best describes a major difference in the quality of weather information contained in a daily forecast and a long-range forecast?(1 point)
Responses
Information contained in a daily forecast is more accurate than the information included in a long-range forecast.**
Information contained in a daily forecast is less dependable than information included in a long-range forecast.
Information contained in a daily forecast is more general than the information included in a long-range forecast.
Information contained in a daily forecast is less scientific than the information included in a long-range forecast.
What happens in a low-pressure system?(1 point)
Responses
There is no precipitation.
The wind has less intensity.
The sky is clear.
Temperature changes.**
i really need help to see if these are right