Pure water has a pH of 7, while acidic solutions will ALWAYS have a pH lower that 7. ~Your Welcome
Glycolysis requires an investment of 2 ATP, but it yields a total of 4 ATP, netting 2 ATP. So more ATP is produced than is used.
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I think your answer is A. Chemical energy is converted to light energy. I am not 100% sure but i did study this and seems as if this is the only one that makes sense. Hope this helps! If not, sorry :/
Answer:
Human heart is myogenic becoz it have the tendency to generate impulse by itself. The upper right auricle wall of heart has sino atrium node or SN node which helps in generation of impulse without any external stimulus.