Carbon monoxide (CO) is dangerous because:
AIt causes acid rain
BIt binds with hemoglobin, reducing oxygen transport
CIt reacts with ozone
DIt forms smog
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Which statement best describes the concept of biodiversity?
- Biodiversity refers exclusively to the variety of animal species in a specific region.
- Biodiversity is the name given to the variety of ecosystems, species, and genes in the world or in a particular habitat.
- Biodiversity is another term for ecological succession.
What causes the sinking of water during the autumn (fall) overturn?
- The surface water gets warmer and sinks.
- The surface water cools down to 4°C, becoming denser and sinking.
- The density of water decreases as it cools.
- Increased solar radiation causes the water to become heavier.
Identify the incorrect statement regarding stratification in an ecosystem.
- Stratification refers to the horizontal arrangement of organisms across a landscape.
- It involves the presence of distinct layers or 'strata' in the vertical structure of an ecosystem.
- Different height classes of plants or trees contribute to the formation of strata.
യൂട്രോഫിക്കേഷൻ മൂലം ജലത്തിൽ ഇവയുടെ അളവ് കൂടുന്നു :