Enzyme linked to the secondary antibody   
an undetermined measure of antigen is joined to a surface, and after that a particular counter acting agent is connected over the surface with the goal that it can tie to the antigen. This counter acting agent is connected to a catalyst, and in the last stage a substance is included that the compound can change over to some distinguishable flag, most normally a coloration change in a concoction substrate is seen.
        
             
        
        
        
Answer:
2kg
Explanation:
Force (N) = mass (kg) × acceleration (m/s²). Thus, an object of constant mass accelerates in proportion to the force applied.
 
        
             
        
        
        
B
Publish his findings in a research journal because he is experimenting what medicinal properties can be tested or are associated with the plant. He should have kept the notes in a research journal for making observations so B.
        
             
        
        
        
Answer:
Its supposed to be Mercury but earth too so id go for Earth "i hope this helps"
sorry if its wrong