Answer:
Your answer is 2.
Explanation:
To calculate the mechanical advantage of a pulley you simply have to count the number of rope sections that support whatever object you are lifting (not counting the rope that is attached to the effort). For example, in a one pulley system the MA is 1. In a two pulley system the MA is 2.
 
        
                    
             
        
        
        
Answer:
C
Explanation:
C. The nucleus is the site of protein assembly. 
Hope this helps ☝️☝☝
 
        
             
        
        
        
Answer:
Chlorophyll Breaks Down
Explanation:
 because of changes in the length of daylight and changes in temperature, the leaves stop their food-making process. The chlorophyll breaks down, the green color disappears, and the yellow to orange colors become visible
U 2 can help me by marking as brainliest......
 
        
             
        
        
        
Answer:
observe, question, make a testable explanation, experiment, collect and analyze data, state findings
Explanation: