Q: Scientists measure the gases that escape from a volcano to predict what?


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

Scientists measure the gases that escape from a volcano to predict eruptions. Gases like sulfur dioxide (SO 2 ), carbon dioxide (CO 2 ), hydrochloric acid (HCl), and water vapor can be measured at the site. Gases may also be measured from satellites. The amounts of gases and the ratios of gases are calculated to help predict eruptions.

 Choices:

- storms

- floods

- snowfall

- eruptions


A:
eruptions