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Volcanic Activity and Land Fertility

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Melissa ibuado

on 5 March 2014

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Transcript of Volcanic Activity and Land Fertility

how does it affects the animals
Livestock and other mammals have been killed by lava flows, pyroclastic flows, tephra falls, atmospheric effects, gases, and tsunami. They can also die from famine, forest fires, and earthquakes caused by or related to eruptions.
Volcanic Activity and Land Fertility
By: Melissa Ibuado
Megan Hollander
Zaria Shell
Jennifer Ly
Why is volcanic soil so fertile?
How does the volcanoes affect the environment?
How do volcanoes affect the atmosphere and climate

How does volcanoes change earths surface?
- Volcanic soil is so fertile because the layer has many useful minerals. The soil becomes fertile as the ash erodes.

- Volcanic soil is incredible fertile due to the sulfur content and soil from the ash and rock debris.

- Generally volcanic soil is soil that is formed from the particles of weathered volcanic rocks and particles.

- The main effect on weather right near a volcano is that there is often a lot of rain, lightning, and thunder during an eruption. This is because all the ash particles that are thrown up into the atmosphere are good at attracting/collecting water droplets. We don’t quite know exactly how the lightning is caused but it probably involves the particles moving through the air and separating positively and negatively charged particles.
- When lava has cooled, it forms solid rock. Lava released during volcanic
activity builds up earth's surface.

- the main effect on weather right near a volcano is that there is often a lot of rain, lighting and thunder during an eruption.

- when the volcanoes erupt, they spew large amounts of dust, ash and gasses into the air, possibly causing a temperature change around.

- volcanoes affect people in many ways, some are good, some are not. Some of the bad ways are that houses, buildings, roads, and fields can get covered with ash. As long as you can get the ash off (especially if it is wet), your house may not collapse, but often the people leave because of the ash and are not around to continually clean off their roofs. If the ash fall is really heavy it can make it impossible to breathe.
How does volcanoes affect the people?
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