It is the source of the nation's petroleum deposits. I hope that helps!
Sun's energy<span> reaches </span>earth<span>, it is intercepted first by the </span>atmosphere<span>.</span>
Answer:
Erosion, compaction, nutrient imbalance, pollution, acidification, water logging, loss of soil biodiversity and increasing salinity have been affecting soil across the globe, reducing its ability to support plant life and so grow crops.