What is the electoral system of India?
India is a parliamentary form of government that follows First Past the Post (FPTP) electoral system where the highest-polling candidate... View Article
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What are national parties?
A party that secures at least six per cent of the total votes in Lok Sabha elections or Assembly elections... View Article
What are the two major political parties in the US today?
Only two major parties dominate US politics. They are the Democratic Party and the Republican Party. Yet other parties, such... View Article
What is the difference between a magma chamber and a mantle plume?
Magma Chamber: Magma tends to be less dense than the layers of rock it forms in. As a result, it... View Article
Where are mantle plumes located?
Mantle plumes may originate from the boundary between Earth’s mantle and core, nearly 3000 km (about 1850 mi) beneath the... View Article
Is Yellowstone a mantle plume?
Recently scientists have found evidence for a plume that is 350 km (about 220 mi) in diameter extending from the... View Article
What is Ring of Fire?
Ring of Fire is a long horseshoe-shaped seismically active belt of earthquake epicentres, volcanoes, and tectonic plate boundaries that fringes... View Article
What is a mantle plume?
A mantle plume is an area under the rocky outer layer of Earth, called the crust, where magma is hotter... View Article
What is mantle plume and what is its role in plate tectonics?
A mantle plume is an area under the rocky outer layer of Earth, called the crust, where magma is hotter... View Article
Why does basalt have a glassy appearance?
If lava cools almost instantly, the rocks that form are glassy with no individual crystals. The basalt has a glassy... View Article
What is basaltic magma?
Basaltic magma is formed by the partial melting of mantle rocks. Basaltic lava is high in iron, magnesium, and calcium... View Article
How far can basaltic lava flow?
Basaltic lava can flow for tens of kilometres from an erupting vent. Basaltic lavas are relatively thin and are very... View Article
How basaltic magma is formed?
Basaltic magma is formed by the partial melting of mantle rocks. Basaltic lava is high in iron, magnesium, and calcium... View Article
Does basaltic magma have high viscosity?
Basaltic magma doesn’t have high viscosity. Basaltic lavas are relatively thin and are very fluid when erupted. Shield volcanoes have... View Article
What is the difference between andesitic and basaltic lava?
Andesitic lava: Andesitic lava has moderate amounts of iron, magnesium, and calcium but is low in potassium and sodium. It... View Article
Is basaltic an explosive lava?
No, volcanoes with basaltic lavas are not explosive. They are characterised by low explosivity. They become explosive if somehow water... View Article
Where do you find volcanoes with basaltic lava?
Volcanoes with basaltic lava are shield volcanoes. They are the largest of all the volcanoes on the earth. The Hawaiian... View Article
What are the basaltic lava flows?
Basaltic lava is high in iron, magnesium, and calcium but low in potassium and sodium. It ranges in temperature from... View Article
What are the types of lava?
There are three basic types of lave. They are Basaltic: Basaltic lava is high in iron, magnesium, and calcium but... View Article
Is basaltic lava thick or thin?
Basaltic lavas are relatively thin and are very fluid when erupted. Shield volcanoes have basaltic lava. They are the largest... View Article
