11. volcanoes: Pros of living near volcanoes

Question 1

fertile soil

Answer 1

• lava & ash from eruptions –> breakdown forms fertile soils –> favorable to agriculture, richest soil on Earth
• e.g. volcanic soil of Java & Bali in Indo support cultivation of crops (tea, coffee, rice) –> support large rural population over many decades

Question 2

precious stones & minerals

Answer 2

• volcanic rocks rich in precious stones & minerals, extracted from volcanic areas after mils of years
• upper layers of volcanic rock eroded –> “ “ can be extracted

Question 3

tourism

Answer 3

• volcanic areas offer: hiking, camping, enjoying scenery, learning about rich history to engage in
• e.g. ruins of Pompeii, Italy –> buried by layers of ash from Mt. Vesuvius –> visited by almost 3 mil people yearly

Question 4

geothermal energy

Answer 4

• GE derived from heat in Earth’s crust
• groundwater comes in contact w/ hot rock beneath surface –> heats up & erupts as hot water/steam –> harnessed to drive turbines & produce electricity
• e.g. Most of Iceland’s electricity generated from GE –> large no. of volcanoes
• less than 70% of homes heated by volcano steam