What is a divergent plate boundary?
A feature where two tectonic plates are moving away from each other
What is a pyroclastic flow?
A dense mix of rock fragments and hot gases.
What is an ecosystem
An area where organisms coexist and interact with each other
What is climate change
The long-term significant shift in the Earth's average temperatures and weather patterns
Can you predict an earthquake?
Where are volcanoes most commonly found
By tectonic plates, especially in the Ring of Fire
How many biomes are in Africa
13
What is climate?
The average weather is measured over a long period of time.
What does the Richter scale measure?
Magnitude
What is the difference between dykes and sills?
Dykes are vertical deposits of magma, while Sills are horizontal.
Name all the layers of the rainforest
Forest, understory, canopy, and the emergent layer.
Name 3 examples of mitigation
ANY 3: Renewable energy, afforestation, sustainable transport, carbon capture/storage, and international agreements.
True or False: 90% of earthquakes occur at plate boundaries
True
Name the features formed at a convergent plate boundary
Fold mountains and composite volcanoes
What is the biome underneath the Sahara called, and what is it like?
The Sahel, which is a transition biome from the desert of the Sahara to the more humid southern savannas
Explain the process of the natural greenhouse gas effect.
Atmospheric gases trap the sun's heat.
A layer of the Earth that comprises the crust and the upper mantle.
The lithosphere
Through which process does magma conduct heat from the interior of the planet to the crust, which leads to eruptions?
Convection
Around which year did the slave trade start and end?
1408 and ended in 1807, it continued into 1873 illegally.
Does Earth need a layer of greenhouse gases?
Yes, it does! Greenhouse gases are needed to trap some of Earth's heat to prevent an ice age and make it habitable.