It is tested with the blood gas test
        
             
        
        
        
<span>The brain is a very complex organ in humans. Although we still have a lot to learn about it, decades of studies in both living and dead humans had revealed that the brain is crosswired, meaning the right side of the brain controls the left side of the body and viceversa. It’s also the part of the brain associated with arts and our creativity. Therefore the answer is B</span>
        
                    
             
        
        
        
Two paths carbon a benefit of using dioxide can take through renewable energy sources the carbon cycle what is
        
             
        
        
        
Answer:
The cell membrane is selectively permeable and able to regulate what enters and exits the cell, thus facilitating the transport of materials needed for survival. ... 
Explanation:
Because the membrane acts as a barrier for certain molecules and ions, they can occur in different concentrations on the two sides of the membrane.