Answer: the amount of silica minerals in granite
Explanation:
Usually, 70-77 percent silica, 11-13 percent alumina, 3-5 percent potassium oxide, 3-5 percent soda, 1 percent lime, 2-3 percent total iron, and less than 1 percent magnesia and titania are the chemical composition of granite. Rhyolite is another kind of volcanic rock with a similar or equivalent chemical composition and mineralogy. Due to high precense of silica the color of granite appears lighter.
 
        
                    
             
        
        
        
Answer:
Humans maintain a body temperature of 37oC; .
If the temperature is above or below 37oC, the hypothalamus receives information from thermo receptors in our skin and sends electrical impulses, along nerves, to the parts of the body which have the function of regulating our body temperature
 
        
             
        
        
        
Answer:
taking a closer look at the natural world 
Explanation:
 using prior knowledge is basic common sense. so no.
requiring evidence and thinking logically is following a rule. so no. 
following strict rules when using human test subjects. right off the bat, "strict rules" is an immediate no.
taking a closer look at the natural world. that's creative because they look for the answer around them. 
 
        
             
        
        
        
If i am not mistaken , the answer is C