Stand Your Ground: Practice Problems

Example of CHEMICAL WEATHERING

• Rusting
• Digging
• Chipping
• Friction

 One cause of 
MECHANICAL WEATHERING

• Acid
• Rainwater
• Animals
• Carbon Dioxide

A contour line is

• a thick stroke purposely created with a fountain pen
• A sketch of a silhouette and simple features
• a line that connects points of the same elevation
• A thick line that marks where the pitcher's mound is

In the day, rocks

• expand
• melt in the sun
• contract
• absorb light

A surface map is useful, but an obvious problem is that it

• is too large for portable use.
• is flat, and the world isn't.
• is too commonly used.
• shows the true shape of the land

The true elevation of a landform is marked with

• ⧏
• *
• @
• ▲

A map that "shows all or part of the earth's surface" is

• Topographic Map
• Surface Map

"Frost Action" is

• Mechanical
• Chemical

Carbon Dioxide (CO2) is

• Mechanical
• Chemical

"Root Action" is

• Chemical
• Mechanical