Answer:
Three examples of long term environmental changes are as follows:
Global warming: Global warming may be defined as the increase in the earth's average temperature. The increase in green house gases has increased the global warming. The long term effect causes the floods and other natural disturbances of the earth.
Extinction of Species: The long term effect of the environmental changes has caused the extinction of various species. The species are unable to adapt in that particular environment and extincted.
Deforestation: Deforestation may be defined as the cutting down of trees. The deforestation has long term effect on the environment as trees plays an important role in the environment control.
