Hi !!
I'm pretty sure the answer is 
C. All cells are produced by other living cells
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Anaerobes/ Anaerobic organisms
        
                    
             
        
        
        
This demonstrates a competitive relationship, as they are competing for food.
        
                    
             
        
        
        
A thorough soil analysis
Explanation:
A through soil analysis must be included in Jordan's report in order to ascertain is findings. 
Since he seeks to determine the effect of various soil pH on plant growth, it is pertinent he performs a pH analysis of the soil. 
- The soils pH is the independent variable. It is the cause of the varying plant growth according to the hypothesis he must have formulated,. 
 - The dependent variable is the pant growth. 
 - It will be incomplete to exclude the soil analysis report from his findings. 
 
The soil is the component that contains the minerals that conditions pH. 
Learn more: 
Experiment brainly.com/question/5096428
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Answer:
Antibiotics killed the bacteria that cause infection but they can also kill beneficial bacteria . thus Ms ABC developed a yeast infection and diarrhea after course of antibiotics because antibiotics distrub natural balance of beneficial bacteria in her intestine.