Answer:
A. The first picture was that of trees standing tall amongst each other while on the next picture, it shows that the tress had fallen down.
B. The first picture shows a still and peaceful mountain but the next picture shows the aftermath of what seems to be a landslide.
C. The first picture shows a healthy aquatic life with a lot of different fishes swimming and living in harmony while the other picture shows all of the fish dead and lifeless most likely due to illegal fishing and water pollution.
D. The first picture shows a volcano erupting and the next photo shows the aftermath of the explosion.
