Answer:
There are six facets per thoracic vertebrae: two on the transverse processes and four demifacets—the facets of the transverse processes articulate with the tubercle of the associated rib. The demifacets are bilaterally paired and located on the superior and inferior posterolateral aspects of the vertebrae.
Explanation:
 
        
             
        
        
        
Answer:
Water pollution is one of  the most common type of pollution that leads to the deterioration of the water quality mainly due to the man-made interference. Direct and indirect pollution are two of its types. Direct pollution as the term suggests refers to the direct flow of pollutants in the water in contrast to the indirect pollution that  accounts for the transport of pollutants eventually to the water body.
Explanation:
Direct pollution is characterized by the release of toxic fluid directly in the water body. The main source of this type of pollution are the toxic pollutants from the large factories. Some of the other sources includes solid waste from the household activities and waste from agricultural practice like fertilizers, and the waste generated by the waste water treatment plant.  
 
        
             
        
        
        
Come into existence and develop
        
                    
             
        
        
        
Answer:
B. Thymine
Explanation:
The thymine pairs with adenine. Thus, option (B) is the correct answer. 
 
        
             
        
        
        
Marine species are affected by climate change and examples of how their affected would be stormy weather, c<span>oral bleaching, and also altered lifestyles. </span>