Answer:
substitution, deletion, insertion (in that order)
Explanation:
I did the assignment-
<span>Desertification is the cancer of the earth,” Argentine geographer Elena Abraham told IPS. “It is a process of degradation that does not manifest itself in spectacular ways but furtively advances, and by the time it is visible there is nothing to be done, and people have to move away, in search of an alternative.”</span>
Hello!
If the number of snakes increased, the number of rabbits decrease.
If the number of insect eating birds decreased, the amount of grass increases.
Hope this helped!
