Answer
Manganese II oxide
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Mass, what its made out of, and atomic number
Answer: A
Explanation: The spindle fibers bring the chromosomes together in prophase then apart in telophase.
It is easier to determine this if we draw the structural formula of lactic acid as shown in the attached picture. There are three functional groups in lactic acid: carboxyl group, hydroxyl group, and the parent alkane chain. Any of the hydrogens in the alkane chain is the least acidic. Then, it is followed by the H in the hydroxyl group. The most acidic is the H in the carboxyl group.