Physical collisions and many other ways
C.
explanation- in the case of pure water there are always going to be the same number of hydrogen ions and hydroxide ions present.
Answer:
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the answer for question 8 is the third one
the answer for question 9 is the second one
Explanation:
question 8 - each cell is differentiated by the DNA, as DNA is the structural and functional unit of the cell, and gives it all of its own unique qualities
question 9 - nucleotides are the part of the body that sort of encode information and instruction from the center of the cell, the nucleus. and the nucleus contain the important DNA, so it is self explanatory
Deletions are mutations<span> in which a section of DNA is lost, or deleted. Since protein-coding DNA is divided into codons </span>three<span> bases long, insertions and deletions can alter a gene so that its message is no longer correctly parsed. These changes are called frameshifts.</span>