GEOLOGY

Detailed explanation-1: -Hydrocarbons are not emitted during volcanic eruptions.

Detailed explanation-2: -Magma that has erupted is called lava.

Detailed explanation-3: -The most common volcanic gas is water vapor, followed by carbon dioxide and sulfur dioxide. Sulfur dioxide can cause breathing problems in both healthy people and people with asthma and other respiratory problems. Other volcanic gases include hydrogen chloride, carbon monoxide, and hydrogen fluoride.

Detailed explanation-4: -When volcanoes erupt they can spew hot, dangerous gases, ash, lava and rock that can cause disastrous loss of life and property, especially in heavily populated areas. Volcanic activities and wildfires affected 6.2 million people and caused nearly 2400 deaths between 1998-2017.