Answer:
Rainfall refers to the precipitation which occurs when droplets of water drops from the sky when the clouds become heavy with rain.
What is Annual Rainfall Graph?
This refers to the climatic graph which is used to show the average rainfall which is recorded for a particular rainfall in a given time frame.
With this in mind, we can see that this can be represented on a line graph or on a bar graph and the data are recorded on the same axes.
Please note that your question is incomplete so I gave you a general overview to get a better understanding of the concept.
Read more about annual rainfall here:
brainly.com/question/25642596
During a volcanic eruption, the geosphere always interacts with the atmosphere, and that is the case with Mount Saint Helen's as well. During the eruption, the volcano which is part of the geosphere, releases lot of gases, ash, debris into the atmosphere. As they are propelled into the atmosphere, these volcanic products became part of the atmosphere, thus affecting its composition and properties, giving us a nice and simple example of interaction between the two spheres.