How does volcanic activity affect climate?(dropdown answer do both dropdowns)

Gas and ash filter out solar radiation, causing the temperature to A)increase B)decrease C)stay the same
Water vapor and carbon dioxide are released into the atmosphere, causing the climate to get A) warmer B) cooler C) drier

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )