<span>The temperature in the laboratory
            The position of the Bunsen burner
            The amount of air that mixes with the gas stream 
these can all have an affect on the intensity of the reaction. 
I hope I was helpful.</span>
        
                    
             
        
        
        
The carbon cycle - CO2 is fixed into biomolecules.
        
             
        
        
        
It does not include a gas phase; although small amounts of phosphoric acid (H3PO4) may make their way into the atmosphere, contributing—in some cases—to acid rain
        
             
        
        
        
Answer: Option E
Explanation:
During conducting the experiment, it was performed in control conditions. In this case the top predators were removed.
There were limited number of organism left at the place which compete with each other for the same resources.
Mussel and Barnacle were the two species left there which feed on the same resources for their needs. This is the reason there was loss of diversity.
 
        
             
        
        
        
Answer:
D
Explanation:
Your brain sends out the commands to the effectors in the body, but the sensors around the body send information to be processed in the brain about equilibrium.