Denudation-Weathering

True or False, there are two types of weathering

• True

• False

What is an example of mechanical weathering ?

• Carbonation

• Freeze-thaw action

• The Burren

• Scree

By how much (per cent wise) does water expand by when frozen ?

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OFF

What are the rocks that break off and fall to the bottom of a mountain called?

• Screech

• Tree

• Free

• Scree

What gas has to be present to form a weak carbonic acid?

• oxygen

• carbon minoxide

• carbon dioxide

• nitrogen

Where does the water and carbon dioxide mix together to form a weak carbonic acid?

• In the ground

• In the atmosphere

• At the sun

• In the rocks

True or False, Limestone contains calcium carbonate

• False

• True

Where does calcium carbonate come from?

• Plants

• Water

• Animal/fish bones

• Soil

What are the layers in Limestone rock called?

• Joints

• Bedding planes

• Creeks

• Sedimentary layers

If a rock allows water to pass through it easily, what is that called?

• Watery

• Marble

• Non-permeable

• Permeable