Step-by-step explanation:
1/ Fast-moving lava can kill citizens nearby the active volcanoes. (They can also die from famine, fires and earthquakes which can caused by volcanoes)
2/ Volcanic ash can cause breathing problems and damage the lungs.
3/ They can lose their possessions as volcanoes can destroy their houses, roads and fields.
4/ Volcanoes can change the weather. They can cause rain, thunder and lightning which can cause damage to people.
5/ When volcanoes erupt, they emit a mixture of gases and particles into the air which can cause global warming by adding to the greenhouse effect (such as CO2) or a significant dip in global temperatures in the following year or two (ash and Sulfur dioxide).
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