What is a region where lakes are grouped together called?
ALake District
BCrater Region
CTectonic Zone
DGlacial Area
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രണ്ട് ആവാസവ്യവസ്ഥകളിൽ പൊതുവായിട്ടുള്ള സ്പീഷീസുകളെ ഒഴിച്ചുള്ള സ്പീഷീസുകളുടെ എണ്ണത്തെ കാണിക്കുന്ന വൈവിധ്യം?
Why is the overturn process important for lakes that undergo stratification?
- It prevents the formation of ice cover.
- It ensures thorough mixing of oxygen, phytoplankton, and nutrients.
- It leads to the accumulation of sediments at the bottom.
- It only affects the temperature of the surface water.
Identify the true statements regarding the middle course of a river.
- The river's velocity is significantly reduced, leading to substantial deposition.
- The valley becomes broader, and the river banks are more stable.
- The river continues to transport sand, silt, and mud in suspension.
- Erosion is less pronounced compared to the mountain course due to lower water velocity.
Which of the following are permanent sources of water in a desert?
- Oasis
- Wadis
- Exotic rivers
- Artesian wells
What is the term for the specialized zone where rivers meet the sea?