Physical Geography Video and Quiz

Limestone

After watching the Limestone video, consider the questions below. Then "submit" your response.

1. Limestone most often forms in:

warm, shallow seas

cold, deep oceans

dry land areas

mountains

2. Limestone can form from:

calcium-rich muds

shells of organisms

both a and b

neither a nor b

3. Beds of limestone are formed:

in horizontal layers

in vertical layers

in folded layers

none of the above

4. Karst landscape can include:

disappearing rivers

caves

sinkholes

all of the above

5. Limestone is important for:

making cement

making paper

building material

all of the above

6. The proportion of oil that comes from limestone formations is:

one-half

one-third

one-quarter

one-tenth