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What is the weather like in the savanna?
it is weathered by rain and ice wedging i think but i would like the weather.
Why do cliffs get weathered?
Cliffs can get weathered because of all the rain on them and they can crumbled also they can be eroded by weather and the sea because if there is a lot of strong waves it can wear away the cliff face and it can crumble making it dangerous in some places
Can water alone weather some rocks?
Yes. The force of moving water itself can cause parts of the main rock body to break off. Additionally, acids present in rain or groundwater can chemically weather rock.
What occurs when rain soaks away rock below the ground to form caves?
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 do rock types and rock structure affect the rate of erosion?
Typically, weathered rock materials do not stay in place. Wherever the ground slopes, gravity causes soil and rock fragments to fall, slide, or move at slow speeds to lower levels. Rain or wind may remove sand and dust from the side of a hill. A river transporting weathered material downstream. Mass movement refers to the downward transportation of weathered materials by gravity. Erosion is the removal and transport of materials by natural agents such as wind and running water.
One sedimentary or one metamorphic rock that is most chemically weathered by acid rain?
LIMESTONE
Can you show one sedimentary or one metamorphic rock that is most chemically weathered by acid rain?
Sedimentary--Limestone Metamorphic--Marble
Which is best at weathering rocks?
Most surface rock is weathered by water. Naturally acidic rain and groundwater can react chemically with rock, causing dissolution and oxidation. Freezing water can also act on the rock mechanically, forcing open gaps and faults for further weathering attack by liquid water.
Agents of erosion and their respective weathered paricles?
ice, snow, wind, animals, rain, water and people.
What is pyrite weathered by?
Pyrite is weathered by both exposure to sunlight and to rain or temperature variations. The mineral is relatively easily weathered.
What weathers rocks?
Rocks can be weathered by the wind or rain, or if water gets in some of the cracks, it would break apart
Why river waters are generally rich in calcium and magnesium ions?
Calcium and Magnesium ions in river water are result of the reaction from rain water with rocks such as Calcite, Limestone, Dolomite and Gypsum.
What is it about the rock of most caves that make it so easily carved out by water and rain fall?
Their rock is made up of very fragile sediments, making it easier to be weathered by rain and wind.
How can you stop acid rain damaging buildings?
Build in dolomite as Henry VI did in 1446 when he rebuilt the Eton College chapel. Dolomite is a double carbonate of Magnesium and Calcium and resists acid rain incredibly effectively. Indeed dolomite ages to a brilliant white and shines like satin after rain. A prescient plan for a Plantagenet building a church next to the M4, A4, Great Western Railway and Heathrow!
Is it true All rocks can be weathered by acid rain?
Yes, mainly, they will rust
Is rain evaporation physical or chemical?
Physical change from liquid to vapour. The water remains chemically the same whether liquid or vapour.
How do most caverns form?
They are in limestone. Acidic ground water (rain-water that has absorbed atmospheric carbon dioxide to form carbonic acid) dissolving the limestone as it flows through the joints & other discontinuities in the rock mass. Gypsum is similarly soluble and can form caves in the right circumstances. So is dolomite but the structural nature of dolomite deposits prevents cavern development.
