Answer:
Soil is composed of small pieces of a variety of materials, so it is a heterogeneous mixture.
Explanation:
 
        
             
        
        
        
Answer:
The frontal and temporal lobes.
Explanation:
The brain has four lobes, the frontal, occipital, parietal and the temporal lobes.
The frontal lobes is important for cognitive functions and involuntary activity.
The temporal lobes processes memories by integrating them with sensations of taste, smell and touch.
 
        
             
        
        
        
Yes, I think the cell theory is a scientific theory because its statements are testable and verifiable.
<h3>What is a scientific theory?</h3>
A scientific theory is a well-sustained statement based on different types of scientific evidence.
A scientific theory must be testable, which means that it can be confirmed or rejected by using the scientific method.
In conclusion, the cell theory meets the definition of a scientific theory because it is testable and verifiable.
Learn more about scientific theories here:
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