Concept:Temperature-based mechanical weathering is linked to large daily temperature differences, which are most common in deserts.
Explanation:In desert regions, days are intensely hot while nights become considerably cooler.
This repeated heating and cooling makes rocks expand during the day and contract at night.
Over time, the constant expansion and contraction weakens the rocks, causing them to crack and break apart.
This process is called mechanical or physical weathering due to temperature change.
Such extreme daily temperature variations are not typical of coastal, wet equatorial, or polar regions.
Answer:B. desert regions