The correct answer to this open question is the following.
Although we have no options attached, we can say the following.
The step in the scientific method that Magnus refers to in this quote is the "Testing step."
When Magnus refers to the idea of " “We will give the correct view about comets and confirm it..." he meant that the idea was going to be tested to really make a confirmation statement about the validity of the theories. 
The Scientific Method has five basic steps that every single scientists and researcher have to follow in their studies. 
First, to make observations. Secondly, asks questions. Thirdly, draft a good and complete hypothesis. Then, make predictions based on the hypothesis. And finally, scientists have to test the predictions to confirm and validate. 
 
        
             
        
        
        
When all the brain activity stops then the donated organs can be removed.
Answer: Option B
<u>Explanation:</u>
In all the industrialised nations of the world, the people who have donated organs in their bodies which were put in place of their own organs can be removed from their bodies if they die. 
But it can not be immediately removed, they can only be removed when the activity of the brain of the dead body totally stops. Before this, the donated organs can not be removed.
 
        
             
        
        
        
Answer:
Factors of production example for manufacturing pencil 
Explanation:
Four factors of production are :
Land, Labour, Capital, Entrepreneur 
Examples in case of manufacturing a pencil : 
Land : Factory land required, Capital : Funds required for fixed factor (eg machine) & variable factor (eg  raw material - wood), Labour : People required to work on machines with raw material (wood), Entrepreneur : The person supplying managerial skills for pencil' enterprise operation. 
 
        
             
        
        
        
Answer: <em>Option (A) is correct.</em>
Explanation:
It is given that the survey is anonymous i.e. it will not keep track of any codes, names, or other personal information. With this, the researcher is addressing one of the most important issues in planning the research, i.e. The confidentiality of an individual response with respect to the data provided by him/her. 
 
        
             
        
        
        
I believe the correct answer from the choices listed above is the second option. Research indicates that negative emotions generally create an unpleasant state within individuals. They <span> generally</span><span> contaminate rational decision-making and converging evidence. Hope this answers the question. Have a nice day.</span>