How do volcanoes affect earths climate

It depends

Explanation:

For example mount tambora in indonisia affect the world climate i many ways. Mount tambora ejected so much ash that the sky darkened. This blocked the suns light from reaching the ground which affected the ground life of all organisms.

Big amounts of volcanic gas, ash, etc are injected into the stratosphere.

Explanation:

they are both the same distance away from the equator and from the poles. both circles are at 66 1/2 degrees. also they both form imaginary line borders of polar regions.