Question

when a volcano erupts, tiny particles from which of earths spheres are released into the air?
atmosphere
biosphere
geosphere
hydrosphere

Explanation:

Volcanoes are part of the geosphere which consists of the solid parts of the Earth. When they erupt, they release ash, lava - fragments and other tiny particles from the Earth's crust (geosphere) into the atmosphere.

Answer:

C. geosphere