Efffect.the result of a particular influence
Noun. The radiation leak has had a disastrous effect on/upon the environment.
Deserts: an area, often covered with sand or rocks, where there is very little rain and not many plants
Noun. We had to cross a large area of arid, featureless desert.
Desertification: the process by which land changes into desert, for example because there has been too much farming activity on it or because a lot of trees have been cut down
Noun. Madagascar: It is the most eroded country in the world.
Alternatives: An alternative plan or method is one that you can use if you do not want to use another one
Noun. An alternative venue for the concert is being sought.
