Soil Formation Answers

Ice wedging is a form of chemical weathering.

Chemical weathering is probably faster along the Amazon River than in the Himalayas.

In areas where freezing and thawing occur frequently, rocks weather rapidly because of the ____ of freezing water.a.evaporationc.leachingb.expansiond.oxidation

Plants can only cause mechanical weathering.

Mechanical weathering ____.a.breaks apart rocks by physical processesb.occurs when chemical reactions dissolve or change the minerals in rocksc.occurs when iron is exposed to oxygen and waterd.none of the above

The difference between mechanical and chemical weathering is ____.a.the length of time each takes to break up a rockb.that only chemical weathering involves waterc.the way they affect the makeup of a rockd.all of the above

Please select the word from the list that best fits the definition

Chemical weathering ____.a.is caused by freezing and thawingb.breaks apart rocks by physical processesc.occurs when chemical reactions dissolve or change the minerals in rocksd.none of above

Ice wedging is brought about by ____.a.carbonic acid freezing on rocksc.water freezing and thawingb.water and oxygen reactingd.rocks colliding with each other

What material will oxidize when it is exposed to oxygen and water?a.stonec.plasticb.metald.plants