Which type of event would cause primary succession?

volcanic eruption

tornado or hurricane

mining

farming

Which statement is an example of direct democracy? a) people elect a senator to the u.s. congress. b) the town council approves funding for a new high school. c) the president issues an executive preventing states from executing prisoners. d) voters approve an amendment allowing elderly people to pay nothing in property tax.

Who was on trial at the nuremberg trials a) japanese military officials. b)nazi leaders. c) communist germans

Who did the first work in creating vaccines