| Month | jan | feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Temperature(oC) | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 27 | 27 |
| Rainfall | 35 | 50 | 104 | 139 | 195 | 228 | 248 | 243 | 245 | 250 | 91 | 55 |
Which of the following are processes of physical weathering?
I Frost action
II. Hydrolysis
III. oxidation
IV. Temperature changes
Answer: B
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