Answer:
Soil salinity is the salt content in the soil. Salination can be caused by natural processes such as mineral weathering or by the gradual withdrawal of an ocean.
Explanation:
Then it is moving towards earth
Answer:
humus
Explanation:
Humus is one of the organic matter that helps soil fertile.
Answer:
Explanation:
Archaeological excavations starting in the 1840s CE have revealed human settlements dating to 10,000 BCE in Mesopotamia that indicate that the fertile conditions of the land between two rivers allowed an ancient hunter-gatherer people to settle in the land, domesticate animals, and turn their attention to agriculture ...
