Volcanos Flashcards
1
Q
How do convection current work
A
The very hot core heats the magma in the mantle
• The magma nearest the core gets heated first. It expands, gets lighter and rises
2
Q
What are the positive and negative effects of volcanoes
A
Positive Lava and Ash deposited during an eruption breaks down to provide valuable nutrients for the soil
Negative floods, mudslides, power outages, drinking water contamination, and wildfires.
3
Q
Volcano diagram
A