Molten rock deep inside the earth is called
A). core
B). valcano
C). lava
D). magma
magma
Below the crust lies a layer of very hot, almost solid rock called the mantle. Beneath the mantle lies the core. ... Sometimes, hot molten rock, called magma, bursts through Earth's surface in the form of a volcano.
1. The most productive ecosystem in the biosphere is
4. The indoor pollutant radon which is a radioactive gas causes
5. __________ was developed after World War II.
6. World's most problematic aquatic weed is
7. The primary cause of a radiation inversion is:
8. Moisture in the air is known as
9. Gharial is a
10. Who coined the slogan of Chipko Movement "Ecology is Permanent economy".