Atmosphere & Water Cycle

What layer of the atmosphere does weather occur?

• stratosphere
• thermosphere
• troposphere
• mesosphere

The most common gas in the atmosphere.

• Nitrogen
• Oxygen
• Carbon Dioxide
• Trace gases

When clouds form - what process is occurring?

• Meteorology 
• Condensation
• Collection
• Runoff

The process by which water on the ground surface enters the soil.

• Precipitation
• Transpiration
  Meteorology
• Runoff
  Climate
• Infiltration

The two most common gases in the atmosphere.

• Nitrogen and Oxygen
• Oxygen and trace gases
• Carbon Dioxide and Nitrogen
• Nitrogen and trace gases

What process causes clouds to form?

• precipitation
• evaporation
• condensation
• transpiration

The average weather conditions of a region

• daily temperature
• weather
• climate

Precipitation is 

• rain, sleet, snow, or hail.
• only rain.
• only snow, sleet, or hail.

Condition of the air such as temperature, cloud cover, wind and rain describe -

• climate
• gravity
• weather

Which layer is the outermost layer?

• troposphere
• thermosphere
• exosphere
• mesosphere