The sun causes water to evaporate more quickly by adding heat, and high humidity can cause mildew, while dry heat and direct sunlight can cause drying and cracking. Given these facts, the sun causes water to evaporate more, which can cause drying and what among the following options:
- flooding
 - raining
 - Pollution
 - root growth
 - erosion
 - snowing
 - cracking
 - hailing


 

       cracking  