Question

read the text. since the mid - 1600s, the magnificent white marble walls of indias taj mahal have welcomed tourists hoping to visit the mausoleum. recently, however, the white marble has started turning green, thanks to insects that leave patches of their waste on the structure. the insects, known as goeldichironomus, are usually eaten by fish in the nearby yamuna river. however, because drought and water pollution have decimated the fish that once lived in the yamuna, the insect population has exploded. match causes with their effects. the taj mahal is turning green. insects are multiplying. cause: insects are leaving waste on the taj mahal. many of the yamuna rivers fish have died. effect:

Explanation:

The text states that insects leaving waste on the Taj Mahal cause it to turn green. Also, the death of fish in the Yamuna River (due to drought and water - pollution) means there are no predators to control the insect population, so insects are multiplying.

Answer:

Insects are leaving waste on the Taj Mahal - The Taj Mahal is turning green.
Many of the Yamuna River's fish have died - Insects are multiplying.