Q: Why do effusive eruptions rarely kill anyone?


Read this paragraph and choose the correct option from the provided answers:

Effusive eruptions rarely kill anyone because they move slowly. People can usually be evacuated before an effusive eruption. Still, effusive eruptions can be destructive. There is not much anyone can do to stop a lava flow from destroying a building or road ( Figure below ).

 Choices:

- They are minor

- They occur rarely

- They are low temperature

- they move slowly


A:
they move slowly