I think b surface fronts but im not 100% sure
 
        
                    
             
        
        
        
The correct answer is option Observations can be made from outside the "system".
The study of the plate tectonics allows the observation of the movement of the plate tectonics. These observation can be study to determine the pattern of the movement from outside the plate tectonics system and the event occurring due to plate tectonics can be predicted.
 
        
                    
             
        
        
        
Answer:
 also known as anemophobia, is an extreme fear of wind or drafts. It is rather uncommon, and can be treated. It has many different effects on the human brain. It can cause panic attacks for those who have the fear, and can make people miss out on regular everyday activities such as going outside.
In chemistry, a hydrochloride is an acid salt resulting, or regarded as resulting, from the reaction of hydrochloric acid with an organic base. An alternative name is chlorhydrate, which comes from French. An archaic alternative name is muriate, derived from hydrochloric acid's ancient name: muriatic acid.
Meaning of zoochoria in the Polish dictionary with examples of use. Synonyms for zoochoria and translation of zoochoria to 25 languages.
Anthropochore definition is - a plant that is regularly distributed by humans whether deliberately (as crop plants) or accidentally (as weeds).
Explanation:
 
        
             
        
        
        
(A) The news article. Because the newspaper article is containing information and things that're occurring and are the most popular news recently.