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

if its multiple choice then all of the above

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!

:)

reflecting point a across the origin negates both of its coordinates.

b = (5, -4)