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What mechanical weathering burrowing in the ground breaks rocks?
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∙ 12y ago
Organic Activity.
June Douglas
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What causes burrowing in the ground breaks rock?
Organic Activity.
Why when water in the crack in rocks freezes and expand?
Water will expand when heated. It it will also expand when frozen. Water seeping into narrow cracks in rock, could, when becoming frozen in winter, expand and force the narrow crack to become wider.
When rain soaks away rock below the ground to form caves what has occurred?
mechanical weathering +++ I'd class it as chemical weathering because the action is dissolution by weakly-acid, and it works only in limestone, gypsum and dolomite - although dolomite deposits are not normally structurally disposed to cave development.
How does a gopher cause weathering?
Gophers cause physical weathering. They dig burrows in the ground, allowing more rock to be exposed.
Is ice wedging in rock an example of chemical weathering?
Ice wedging is mechanical weathering caused by water flowing into cracks and freezing which expands the water. The ice crack grows larger and larger as the water freezes which expands the water and melts in spring and freezes which makes the crack larger and then melts etc.Information About Ice WedgesAn ice wedge is a crack in the ground formed by a narrow or thin piece of ice that measures anywhere from 3 to 4 meters wide and extends downwards into the ground up to 10 inches. During the winter months, the water in the ground freezes and expands. Once temperatures reach -17 degrees Celsius or colder, the ice that has already formed acts like a solid and contracts to form cracks in the surface known as ice wedges. As this process continues over many years, ice wedges can grow up to the size of a swimming pool. (from Wikipedia)
What causes burrowing in the ground breaks rock?
Organic Activity.
How can animals cause mechanical weathering?
roots and diggingPlant roots break up rocks as they grow in search of water and nutrients. Animals that burrow in the ground expose rocks to the air where they can be further weathered.When animals die they produce acids which reacts with rocks causing them to break down or decay.
Are weathering and erosion dependent on each other?
Weathering is the physical wearing down of rock or the earth, and erosion is the movement of the particles loosened by weathering. Weathering can be either mechanical or chemical. For chemical weathering to occur, a chemical reaction needs to occur in the ground, causing it to wear away. Mechanical weathering can include: freezing and thawing (water gets into ground and when it freezes it pushes the rock out), abrasion (force rubbing up against surface, such as water, which is why rocks in a river are so smooth), thermal weathering (rocks expand in very hot climates), salt wedges (rain with salt water in it falls into cracks between a rock and when the water dissolves, the salt is left behind pushing the rock outward), and animal activity (burrowing in the ground). Erosion would take place after one of these processes had, and it carries the weathered particles away by wind or water.
What are the causes of mechanical weatherig and chemical weathering?
Mechanical weathering can be caused by wind, precipitation (rain, hail, etc), animals walking over it, basically anything that is a physical abrasion of the rock, not a chemical reaction.
How did Burrowing Owls get their name?
they dig burrows in the ground
What burrowing in the ground break rock?
Organic Activity.
What are the main causes of mechanical weathering?
Freezing weather, dramatic changes in temperature, the roots of trees or plants searching for nutrients in the ground therefore breaking it apart, etc.
How do mechanical weathering and chemical weathering help change earth's surface?
Weathering changes Earth's surface by carrying sediments or creating sediment in many ways. A few are when animals burrow in the ground, they can sometimes break rock. Also, the cracks in the ground, which are formed from tree roots, are filled with water, and freezes, then melts, weathering occurs. Also, when waves in the ocean or lakes, ponds, etc., crash down on rock, weathing happens.
What ground burrowing animals are found in Arizona?
moles i think
What animal is common in grasslands?
burrowing animals and ground-dwelling birds
How can earth worms cause weathering?
Earth worms can cause weathering when they tunnel through the soil and moves pieces of rock around.This motion breaks some of the rocks into smaller pieces.
What do burrowing owls use there wings for?
What is the hunting technique that burrowing owls use???!!!
