I think it’s all of the above..
Answer:
i will shout u out to! sure! heres 1 more
Explanation:
The excessive use of water for irrigation in dry climates, with heavy soils, causes salt accumulation because they are not washed out by rainfall. The practice of waterlogging without adequate drainage has also become a serious cause of soil salinization .
Scientists believe the earth is approximately 4 1/2 billion years old
1. Temperate deciduous forests
2.?
3.savannas
4.temperate grassland
