It releases gas, ash, solid rocks and lava

1. Rift valley
2. Plateau
3. volcano
4. plains

Volcanic eruption and earthquakes are part of which force

1. exogenic force
2. diastrophic movement
3. endogenic forces

Plains formed as a result of emergence of sea bottom are

1. erosional plains
2. structural plains
3. depositional plains

Which is not an example of old fold mountain?

1. Appalachians
2. Urals
3. Aravalis
4. Himalayas