Explain the meaning of the following terms:

1. Deflation hollow
2. River meander
3. Block disintegration.

Name any two types of volcanoes giving one example of each type.

Give a geographical reason for each of the following:

1. Volcanic activity and earthquakes occur in the same belt.
2. All rivers do not form a delta.
3. Chemical weathering is more common in the tropical regions.

Give a reason for each of the following:

1. Igneous rocks are also called Primary rocks
2. Fossils are present in Sedimentary rocks
3. The core of the Earth is in a semi—solid state