Karst Quiz

What is the main mineral found in limestone rocks?

• Chiolite

• Cerium

• Carlsbergite

• Calcite

Identify this landform found in a karst area.

• Cave

• Sinkhole

• Cenote

• Mogote

The following factors influence karst landscapes significantly - climate, (a)   and sea level changes.

The two main processes that create karst landscapes are weathering and erosion.

• True

• False

When calcium carbonate reacts with carbonic acid, it becomes calcium bicarbonate and is (a)   .

What is the main weathering process in the formation of karst landforms?

• Oxidation

• Hydrolysis

• Carbonation

• Honeycomb weathering

What do we call climate change that is happening currently? Select all options that are correct.

• Human-induced climate change

• Contemporary climate change

• Enhanced Greenhouse Effect

• Greenhouse Effect

What are some evidence of climate change that we are experiencing now? Select all options that are correct.

• Sea level rise

• Greater coastal flooding

• More extreme weather events

• Treeline migration

What is one characteristic of limestone?

• Very porous

• Absence of joints and bedding planes

• Presence of joints and bedding planes

• Non-soluble

What was the weather event that occurred in Singapore that caused high rainfall and lower temperatures recently?

(a)