Answer:
I don't know for sure but I think it is intensity
Explanation:
The Principle of Intensity
 
        
             
        
        
        
Answer:
really nothing we dont do that anymore
Explanation:
 
        
                    
             
        
        
        
Answer: A
Explanation: The blood–air barrier (alveolar–capillary barrier or membrane) exists in the gas exchanging region of the lungs. It exists to prevent air bubbles from forming in the blood, and from blood entering the alveoli. ... The barrier is permeable to molecular oxygen, carbon dioxide, carbon monoxide and many other gases.
 
        
                    
             
        
        
        
Answer:
Phytochemicals
Explanation:
Phytochemicals are chemical compounds produced by plants, generally to help them thrive or thwart competitors, predators, or pathogens. The name comes from Greek φυτόν (phyton), meaning 'plant'. Some phytochemicals have been used as poisons and others as traditional medicine.
 
        
             
        
        
        
Answer: True
Explanation:
The people who had the test done on them used the energy from the nuts to do more things throughout the day because of the increase in energy