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What process is cool air acts as a barrier over which warmer and less dense air rises?
Frontal wedging
Why does ice wedging cause potholes?
Ice wedging causes potholes by expanding cracks in pavement when water seeps into them, freezes, and expands. This repeated cycle of freezing and thawing weakens the pavement, leading to the formation of potholes.
What type of weathering causes root wedging?
Root wedging is caused by physical weathering, where plant roots grow into cracks in rocks and exert pressure as they expand, gradually breaking the rock apart.
Describe 4 processes that lift air masses?
Convergence: Air masses are lifted when they converge at a location, resulting in upward motion due to the compression and vertical displacement of the air. Orographic lifting: Air masses are forced to rise when they encounter mountain ranges, leading to cooling and condensation as the air travels upward. Frontal lifting: Warm air being less dense is lifted over cooler, denser air along a front, creating rising motion and possible precipitation. Convection: Heating of the Earth's surface causes air near the ground to warm and rise, leading to the lifting of air masses.
What are abrasion and ice wedging?
Abrasion is the process of rocks and sediment wearing away by the actions of water, wind, or ice carrying and rubbing particles against the surface. Ice wedging occurs when water seeps into cracks in rocks, freezes, expands, and causes the rock to break apart over time as the ice expands.
What is frontal wedging?
Frontal wedging is when warm air and cold air collide at the surface, or front.
Which process produces produces rising air when mountains push the air upward?
Frontal wedging
What process is cool air acts as a barrier over which warmer and less dense air rises?
Frontal wedging
What are the three mechanisms that cause air to rise?
there are actually four and they are frontal wedging, mountain lifting, convergence, and lifting by heat.
How do orographic lifting and frontal wedging act to force air to rise?
Orographic lifting: mountains bock air flow and the air is forced upward this usually causes clouds and rain on the windward side of the mountain and less rain on the leeward side.Frontal wedging: warm air and cold air collide, since warm air is less dense it is wedged upward. This causes a front that's usually rain.
What often causes potholes in streets?
ice wedging
Which process produces rising air due to unequal heating of earths surface?
Frontal wedging
What is the agent that causes frost wedging?
The agent that causes frost wedging is water. Water enters cracks in rocks, freezes, and expands, exerting pressure on the rock and causing it to break apart. This process is enhanced in areas with fluctuating temperatures and frequent freeze-thaw cycles.
What causes ice wedging?
Ice wedging, also called frost wedging or frost shattering is a process where water seeps into cracks in rocks and freezes. Since water expands when it freezes this cpushes the cracks further open, eventually breaking the rock apart.
What are the four causes of mechanical weathering?
ice wedging pressure release plant root growth and abrasion
Why does ice wedging cause potholes?
Ice wedging causes potholes by expanding cracks in pavement when water seeps into them, freezes, and expands. This repeated cycle of freezing and thawing weakens the pavement, leading to the formation of potholes.
What type of weathering causes root wedging?
Root wedging is caused by physical weathering, where plant roots grow into cracks in rocks and exert pressure as they expand, gradually breaking the rock apart.
