Why is the biological wealth of our planet declining rapidly?
AAnimal activities
BHuman activities
CPlant activities
DEcological activities
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മണ്ണിലെ ചില നൈട്രിഫൈയിങ് ബാക്റ്റീരിയകൾ അമോണിയം സംയുക്തങ്ങളെ ഓക്സീകരിച്ച് നൈട്രൈറ്റുകളായും പിന്നീട് നൈട്രേറ്റുകളായും മാറ്റുന്ന പ്രക്രിയ ഏത് ?
Consider the following statements about tropical cyclones. Which statements are correct?
- A tropical cyclone is defined by its low-pressure center and numerous thunderstorms.
- Tropical cyclones are also known by names such as hurricane, typhoon, and tropical depression.
- Tropical cyclones are characterized by extremely high atmospheric pressure at their center.
What is Eicchornia called?
Which of the following statements accurately describe 'Preparedness' in disaster management?
- Preparedness involves activities and measures undertaken in advance to ensure an effective response to the impacts of hazards.
- Preparedness primarily focuses on post-disaster recovery and rehabilitation efforts.
- Essentially, preparedness encompasses measures that empower governments, communities, and individuals to respond rapidly to disaster situations and effectively cope with their consequences.
In the context of air pollution control, what is the primary function of an electrostatic precipitator?
- Increasing the concentration of harmless gases in industrial emissions.
- Removing over 99% of particulate matter from the exhaust of thermal power plants.
- Converting unburnt hydrocarbons into carbon dioxide and water.
- Facilitating the absorption of harmful gases using a spray of water or lime.