People in volcanoes may die and will lose their homes/land when the Volcano erupts.
You die!
Lots and lots of burning.
They kill people
People study vulcanology because they have a great interest in volcanoes. They like to find out and research about volcanoes and the structure and effect it may have on the world in the future.
badly
there is none
Volcanoes mostly erupt in the sea to make islands or big massesof land,
They don't the earth makes volcanoes
good for growing crops
secrete
Yes. Many people live next to volcanoes.
Lose homes. Have to be evaucated. Death. Lose family. Lose vegetation. They can also create new land for habitation.