The Earth And The Changes On It

The process that breaks rocks into smaller particles:-

• Erosion

• Deposition

• Weathering

• Denudation

What is a Glacier?

• the mass of moving ice

• the volume of still ice

• an ice country

• a mountain

What is the levelling of land called?

• Aggradation

• Gradation

• Degradation

• Denudation

Which is the most powerful agent of gradation?

• wind

• glacier

• running water

• sea waves

What is meander?

• sweeping curves of a river

• ox bow lake

• straight line river

• name of a river

What are small streams joining the main river?

• deltas

• meanders

• tributaries

• rivers

------------- movements like earthquakes and volcanoes cause mass destruction over the surface of the earth.

• Erosion

• External

• Slow

• Sudden

In which stage the erosion rate of the running water is maximum?

• Middle

• Early

• Old

• None

What is a Delta?

• where the middle part of a river flows into an ocean, sea, desert, estuary, lake or another river.

• where the mouth of a river flows into a canal

• where the mouth of a river flows into a land

• where the mouth of a river flows into an ocean, sea, etc

Give the term which refers to the gradual wearing and carrying away of all those loose particles.

• Denudation

• Deposition

• OxBow Lake

• Weathering