Please help me with these for 4 questions on my Geosystems homework.
1) Mass movements are classified based on _________.
A. their speed and moisture content
B. the type of destabilizing event
C. whether or not a geomorphic threshold was crossed
D. the steepness of the slope
2) Which of the following was caused by accelerated chemical weathering as the result of increased air pollution?
A. corrosion of the Grand Buddha at Leshan
B. contaminated groundwater from scarification
C. formation of The Great Blue Hole near Belize
D. massive landslide near Taipei, Taiwan
3) Which of the following forces opposes downslope movement of particles?
A. gravity
B. particle cohesion
C. freezing and thawing
D. precipitation
4) Which of the following features are produced by differential weathering?
A. butte
B. pinnacle
C. arch
D. mesa
E. All of the above
4 answers
So, I now only need help with #2 and #3
Thank you
Still stuck on #3