Answer:
A.) a substance with ph between 0 and 7.
Explanation:
as acid has pH value between 0 to 7.
 
        
                    
             
        
        
        
_______________ reactions transfer energy to the surroundings, usually as heat.
C. Exothermic
 
        
                    
             
        
        
        
Answer:
Oki sure, I will do it later
 
        
             
        
        
        
Answer is Middle Paleozoic era.
Paleozoic era was in 542 Ma - 245 Ma and it has 6 periods as Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian.
360-280 Ma - forming of vascular plants with woody tissues, seeds and veins.
430 - 410 Ma - forming of jawed fishes and first amphibians.
420 Ma - forming of scorpions
360 Ma - forming of crustaceans.
        
             
        
        
        
Answer:
CPT® Index - 96040
icd-10-cm code - Q99.2
Explanation:
 Here in this case the diagnosis came out with fragility in X chromosome. This is some thing related with medical genetics. Hence, the CPT® Index for this scenario would be 96040. As per the American Medical Association, CPT® Index 96040 cover cases that fall into the category of “Medical Genetics and Genetic Counseling Services” which also involves counseling either with the patient or family for 30 minutes. The icd-10-cm code – Q99.2 deals with the problems associated with genetic abnormality
Hence, the answer is 
CPT® Index - 96040
icd-10-cm code - Q99.2