1a process by which nutrients are dissolved in a body of water
2 the development of higher than normal salt content in the soil
3 the use of leadership positions for personal gain
4 movement from one place to another
5 isolation from others
6 the removal of salt from something
a seclusion
b desalinization
c corruption
d eutrophication
e salinization
f migration

Explanation:

1 a process by which nutrients are dissolved in a body of water

Eutrophication

Eutrophication is the process whereby nutrients in excess are brought into a body of water which causes a bloom in the growth of plants.

This is usually as a result of runoff carrying nutrients from farmlands such as fertilizers.

2 the development of higher than normal salt content in the soil

Salinization

Salinization is the dissolution of salts in water. It is often described as the degree of salts in water. When salts contents in soils increases than normal, the soil becomes salinized.

3 the use of leadership positions for personal gain

Corruption

The illicit use of power for personal gain by people in leadership is corruption. This is but one aspect of what corruption entails. Corruption is the abuse of power in leadership position.

4 movement from one place to another

Migration

The movement of people from one place to another is migration. Migration can be movemnet into a country which is called immigration. Emmigration is the movement from a country.

5 isolation from others

Seclusion

Seclusion is the removal from a group of people. It is a form of isolation from others

6 the removal of salt from something

Desalinization

The process of removing salt from something is known as desalinization. Several chemical procedures can be used to achieve this.