What does the land lose as a result of soil erosion?

Cutting the slope into steps or terraces can reduce:

What do the natural forces like wind, rain and running water help in?

Ploughing of which one of the following is yet another human factor that leads to soil erosion?

Along river banks which of the following are built to prevent flood?

Which of the following washes the soil off the hill slopes?

The protection of soil against soil erosion is called:

The condition of  carrying away of soil by the action of water or wind is known as:

Which of the following affected by soil erosion cannot produce enough to feed all the living beings who dwell on it?

Which of the following is known as the sorrow of China?