Ficuluh
question 1 of 32
1 point
during which phase of the cell cycle do chromatids form?
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a. r phase
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b. prophase
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c. m phase
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d. interphase

The answer is B

Explanation:

In the first stage of mitosis called prophase, the replicated chromatin fibers form chromosomes. Each replicated chromosome consists of two chromatids (sister chromatids) connected at the centromere region. Chromosome centromeres serve as a place of attachment for spindle fibers during cell division.

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the right answer is the constitution

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.