A pure substance is something that occurs in nature. An element is made up of one type of atom only and cannot be split further. 
In simpler terms it is true an element is a substance that is made of ONE type of atom
        
             
        
        
        
Although many Americans may dislike the partisanship of political activity, politics is how the country <u>peacefully decides on policy.</u>
Politics is an essential part of life. In fact, it is what makes us human, according to Aristotle who defined man as ‘zoon politikon’ (political animal).
It is through politics that governments are set up, democracy is acted out, major laws and policy decisions are made, and socio-political differences ironed out. There are a variety of ways in which politics is institutionalized and lived in different societies.
In the United States, the form of representative democracy requires the existence of political parties. A two-party system has developed hence, comprising the Republican and Democratic Parties.
Partisanship has been an enduring concern, especially since ideological divides have seem to increase in recent years. Yet, it is through this system of doing politics that democracy continues to function and differences are mediated. It ensures peaceful process of formulating policies. 
To learn more about Partisanship in America: brainly.com/question/750905
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Answer:
On the internet
Explanation:
The most advertisements I notice are pop-up messages on the internet. I spend a lot of time online, reading newspapers, buying things from online shops or chatting with friends. 
I notice the advertisements there because they are very eye-catching. Their headlines are written in  big, bold letters, aiming to catch the reader's attention. The headlines are also very interesting or thought-provoking, or offering a very good discount on products. It is difficult not to notice the advertisements on the internet as they are literary everywhere, even on social media where I spend a lot of time each day.
 
        
                    
             
        
        
        
<span>there is not adequate empirical support for its effectiveness.
The only thing that they could say 100% true is that during a meditation, average heart rate that people had would be lower compared to normal situation.
But there is still not enough proof to say that this activities could be considered an effective method to cure or maintain hypertension.</span>
        
             
        
        
        
Starting from down to top,Self actualizationEsteemLove/belongingSafetyPhysiological