Answer:
C. Funnel clouds
Explanation:
Tornato is a revolving column of air in touch with earth surface, linked to  a convective clouds. 
It usually resembles its look, like a funnel cloud. 
 
        
             
        
        
        
The difference<span> between the </span>birth rate<span> and the death </span>rate<span> of a country or place is called the </span>natural increase<span>. </span>
        
             
        
        
        
It is called as conservation biology. Conservation biology
aims to protect species, their habitats and the ecosystem from extinction. It is
one field of ecology that focuses on the environmental problems caused by
humans. It aims to reverse and understand the cause of loss of biodiversity. 
 
        
        
        
Answer:
Eutrophication
Explanation:
Eutrophication is the name given to the natural nutrient enrichment of a shallow lake, estuary, or slow-moving stream. It is caused mostly by runoff of plant nutrients, such as nitrates and phosphates, from surrounding land.
 
        
             
        
        
        
Explanation:
A reduction in taxes will leave more disposable income and cause consumption and savings to increase,
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