Answer:

1. It's not good when there is a flood because when there is a flood, when a wire falls, the mortar will be electrified in the flood.

2.It is not good when there is heavy rain because it can flood

3.It's not good when the ground collapses because many plants and animals will die

4.The damage to the plants is not good because it can flood and people can also lose their food because their vegetable crops are damaged.

5.It's not good if the house is broken because if there is a hole in the roof of your house and it rains hard, the inside of your house will get wet and someone may get hurt because maybe they slipped