Question

who many years old volcanos?​

Answer 1

Answer:

Etna

The oldest volcano is probably Etna and that is about 350,000 years old. Most of the active volcanoes that we know about seem to be less than 100,000 years old. Volcanoes grow because lava or ash accumulates on the volcano, adding layers and height.

Explanation:

Hope it helps

Hope it helpsPlease mark it as brainliest answer

Answer 2

Answer:

ten thousand to one hundred thousand