Answer:
It was uncertain about the fact that volcanoes do affect the sphere but it has been proven to affect the spheres.
From research it was found that the formation of earth was happened from gases which was released from the volcanoes.
So the ways in which the volcanos affected the spheres was due to eruption which has a serious impact on the biosphere.
As a result, it killed all the plants, and due to the reason animals where not getting their food,