The pH scale measures the concentration of how acidic or basic something is. The lower the number below 7, is acidic. Above 7 is basic. 7 is waters purest form.
        
                    
             
        
        
        
Answer:
A. Carbon dioxide travels from the heart to the lungs in pulmonary arteries
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Answer:
Please give me brainlist
Explanation:
There is a 50 percent chance that daughters carry the gene and can pass it to the next generation. There is a 50 percent chance that a daughter will not carry the gene and, therefore, cannot pass it on. There is a 50 percent chance that sons do not have the gene and will be healthy.
 
        
             
        
        
        
If the lizard was a less desirable female/male in a time where their gender outnumbered the other and therefore not all of them get a mate.
        
             
        
        
        
Nucleic acids also typically contain phosphorous, and nitrogen plays an important structural role in nucleic and proteins. The proteins, being made up a diverse set of amino acids, have, in addition to carbon, hydrogen, oxygen, and nitrogen, the elements sulfur and selenium.