photo from http://www.geol.umd.edu/%7Ekaufman/ppt/chapter7/sld005.htm
anteater
http://curry.edschool.virginia.edu/go/edis771/webquest2000/
student/scolleenmuldoon/anteaters.html
from www.fhwa.dot.gov/.../econdev/ wis29_image004.jpg
Biological Effects
| Some biological effects can be plant roots penetrating through the earth's surface into rock wedging rock apart. Animal burrowing through rocks, mining, highway construction, building of new buildings | rock affected by root wedging photo from http://www.geol.umd.edu/%7Ekaufman/ppt/chapter7/sld005.htm |
anteater
|
highway workers from www.fhwa.dot.gov/.../econdev/ wis29_image004.jpg |
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