Question

How can volcanic eruptions affect the Earths atmosphere?

Answer 1

When volcanoes erupt, they emit a mixture of gases and particles into the air. Some of them, such as ash and sulphur dioxide, have a cooling effect, because they (or the substances they cause) reflect sunlight away from the earth. Others, such as CO2, cause warming by adding to the the greenhouse effect.

Answer 2

by creating new lands and islands

Step-by-step explanation:

i just did it on study island and got it wrong cuz of the answer posted here lik the other one so here ya go