The answer to that question you are asking is "guardian"
        
             
        
        
        
Answer:
Environment is a major part of one's life. With increasing globalization, the environment has been effected only n the most adverse of ways.
One of the learned behaviours that I have learned through changing in the environment is to throw trash only in the trash can and try not to use too much plastic. The reason is that plastic is non degradable and it will never be used as something that benefits the earth, instead it ends up in places where it only hurts the living organisms.
Currently the pollution index is not too good, therefore vehicles that eat up and release too much of smoke in the environment must be used very less. Environment friendly behaviors should be adapted to get rid of smog and other harmful inhalers.
 
        
                    
             
        
        
        
Marco polo was a Venetian merchant believe to have journeyed across Asia at the height of the mongol Empire.
 
        
                    
             
        
        
        
Answer: In other words, one's membership in a particular social class is based on ... who do low level service work, 
 
        
             
        
        
        
The <em>thing </em>which must occur <em>before a treaty can go into effect fully</em>, according to the provisions of the United States Constitution is:
- A. It must be approved by a two-thirds vote in the Senate.
According to the given question, we are asked to state the <em>thing </em>which must occur <em>before a treaty can go into effect fully</em>, according to the provisions of the United States Constitution
As a result of this, we can see that a treaty is an agreement which is signed between two parties and <em>in this context</em>, it would need the involvement of another country,  where<em> conditions would have to be met</em> before the treaty goes into effect and the president needs at least two third majority vote from the Senate.
Therefore, the correct answer is option A
Read more about treaty here:
brainly.com/question/12369010