The motif of change appears once again when
a) irawaddy decides to stay with selvam while her parents leave for the city
b) nathan’s land is sold to the tannery and the family must leave their home
c) selvam decides to marry his long-time sweetheart and move away from the village
d) rukmani tries to stay in the village by offering to read villagers' letters for a small fee

The motif of change appears once again when Nathan’s land is sold to the tannery and the family must leave their home.

Explanation:

A technique utilized by authors is motif, the careful weaving of a central element throughout a story. This can be an article, a sound, an articulation, a setting, or an assessment.  

Motifs appear using rehashed symbolism or language. Sounds and visual descriptors can likewise embody a motif, as they keep on returning all through a story.

the correct answer is c. he speculates on what might happen at given points in the future in a world without people. alan h. weisman is an american author, professor, and journalist. authors organize their information with a purpose. they present their ideas in an organized way. this is called text structure. weisman uses text structure so as to improve overall comprehension and to prove his points.