Answer B
<span>the study of matter and how matter changes.
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hope this helps!
Produce a transmembrane proton electrochemical gradient as a result of the redox reactions. If protons flow back through the membrane, they enable mechanical work, such as rotating bacterial flagella.
Answer:
A
Explanation:
A chemical change happens when one chemical substance is transformed into one or more different things , such as when iron becomes rust so
B: Acids turn the indicator red, pink, orange, and yellow, while bases turn it green based on what it reactions with or comes in contact with so b is maybe
c is wrong
and d a physical change, will technically yes and no there should have not been a smell afterwards so the only really choose that makes sense here is A
The DNA strand is taatgagcgtagagattgt
