Arsenic contamination of groundwater in India is most prevalent in:
AKerala and Goa
BPunjab and Haryana
CWest Bengal and Bihar
DRajasthan and Madhya Pradesh
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'ഇക്കോസിസ്റ്റം' എന്ന പദം ഉപയോഗിച്ചത് ആര് ?
What term describes the sequential change in the community structure resulting in the establishment of a stable or climax community?
How does the interior location of continents influence desert formation?
- Being far from oceans, continental interiors receive less moisture from maritime air masses.
- The Gobi Desert's formation is partly attributed to its inland location.
- Interior continental locations always guarantee lush vegetation due to the absence of coastal influences.
- Moisture from oceans can easily penetrate deep into the interior of large continents to sustain rainfall.
Which level of biodiversity refers to variation within species that helps in adaptation?
What are the classifications of desertification based on productivity reduction?
- A reduction in productivity between 10% and 25% is considered severe desertification.
- Desertification is classified as moderate if productivity reduction is between 10% and 25%.
- A productivity reduction exceeding 50% is termed very severe desertification.
- Severe desertification occurs when productivity decreases by more than 50%.