During explosive volcanic eruptions, large amounts of ash entering Earth's atmosphere often
trise to an altitude of 20 kilometers. What is the most likely effect of this ash cloud?
a decrease in the insolation reaching Earth's surface
a decrease in the thickness of Earth's stratosphere layer
an increase in the insolation reaching Earth's surface
an increase in the thickness of the Earth's stratosphere layer

Respuesta :

Answer:

Decrease in the thickness of Earth's stratosphere layer

Explanation:

This reduces the ozone-layer effectiveness thereby making the harshness of the sun more fierce on men.