Question

Select all of the answers that apply.

Which of the following are hazards from volcanic activity?

lava and pyroclastic flow
tephra
fertile soil
lahars
climate alteration
geothermal energy
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Answer 1

The hazards from the volcanoes include lava and pyroclastics, tephra and , lahars and climate alteration. Fertile soil and geothermal energy are beneficial results of volcanic eruptions. Much of El Salvador for example is convered with volcanic ash and this has been a fertile growing medium for coffee plants.

Answer 2

The correct answers are:

- lava and pyroclastic flow;

- tephra;

- lahars;

- climate alterations;

These four, are hazards that result from the volcanic activity. They can have devastating effect on the environment, including the humans too. In a very short period of time, this hazards can changed the appearance of a whole region, the appearance and composition of the atmosphere, and have devastating effect by causing material damage, and human, animal, and plant deaths.