Fact 1: Heavy rains cause flooding.

Fact 2: With the rain comes floods, and with the floods come erosion and landslides.

Given the two facts above, answer the question "What can cause erosion and landslides?" with the following options: 
- condensation
 - mines
 - mouth of rivers
 - heavy rain
 - chemical reaction
 - vehicles
 - electricity
 - deforestation


 

    heavy rain     