Marks: 2 Ice wedging causes mechanical weathering of rock by means of __________________.

Choose one answer. a. 6
b. plant growth
c. freezing and thawing of water
d. animal actions

Question

Marks: 2 Ice wedging causes mechanical weathering of rock by means of __________________.

Choose one answer.   a. 6   
  b. plant growth   
  c. freezing and thawing of water   
  d. animal actions

anonymous · Answer

logic tells me its c

anonymous · Answer

A marble statue is left exposed to the weather. Within a few years, the details on the statue have begun to weather away. This weathering probably is caused by __________________.

Choose one answer.   a. oxygen in the air   
  b. carbonic acid in rainwater   
  c. abrasion   
  d. 16