worldwide disease global mountain building rise of mammals that preyed upon plants and animals impact of an asteroid created dust that blocked the sunlight
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which of these do scientists offer as the most recent explanation as to why many plants and animals died out at the end of the Mesozoic era?
Possibilities:
- worldwide disease
- global mountain building
- rise of mammals that preyed upon plants and animals
- impact of an asteroid created dust that blocked the sunlight

impact of an asteroid created dust that blocked the sunlight