question: How do fine, dusty particles in the atmosphere  erupted from volcanoes lower the temperature?
choices.text: occurs over a wide range drastically calibrated by blocking the sun how they move a surface not sterilized oxygen spreads into the air feedback mechanisms
choices.label: A B C D E F G H
fact2: Most volcanic ash consists of fine, dusty particles.
combinedfact: Fine, dusty particles erupted from volcanos decrease the temperature by blocking the sun
formatted_question: How do fine, dusty particles in the atmosphere  erupted from volcanoes lower the temperature? (A) occurs over a wide range (B) drastically (C) calibrated (D) by blocking the sun (E) how they move (F) a surface not sterilized (G) oxygen spreads into the air (H) feedback mechanisms