Question

Which of the following are warning signs that a volcano will soon erupt?

Select all that apply

A - earthquakes or tremors
B - ground swelling
C - color changes
D - smoke plumes

Answer 1

if its multiple choice then all of the above

Answer 2

Answer by YourHope:

Hi! :)

Which of the following are warning signs that a volcano will soon erupt?Select all that apply.

A) Earthquakes or tremors!

B) Ground swelling!

D) Smoke plumes!

:)