Can soils can be eroded from distant sources and deposited as soil in new locations?
A) Yes, they are made of sediments and can be transported like sediments.
B) No, soils develop in place through the complex weathering of sediments and other materials.
C) Yes, the processes of transportation help to break down larger sediments to make soils.
D) No, once a soil is created in a location, it cannot be weathered and eroded.
Question 2
Organic acids can chemically weather a rock. Where would these acids originate?
A) Decay of granite
B) Thermal reaction between water and limestone
C) Secretion from and decay of vegetation
D) Leaching from the E horizon
Gunnera growing on nitrogen-poor soil.
Locations of coral reefs.
Mixed Soil culture
Distant Galaxies
Dimmer Distant Supernova
Soil Structures