Answer:
The amount of rainfall per year is decreasing in the forest ecosystem.
Explanation:
This decrease in annual rainfall due to climate change. In the graph, first the amount of rainfall decrease then it slightly increases and then gradually decrease occurs.
In the first year, 30 cm rainfall occurs, in the second, third, fourth, fifth, sixth, seventh, eighth, ninth and tenth year 28, 24, 32, 30, 26, 20, 22, 21 and 20 cm rainfall occurs respectively. The highest rainfall i. e. 32 cm occurs in the fourth year while the minimum rainfall i. e. 20 cm occurs in the seventh and tenth year.