Which is most likely true about electronegativity? It tends to be the same across a period.
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It tends to be the same down a group.
It tends to increase across a period.
It tends to increase down a group.

I would go with a or b ...

let that person have a turn to speak : )

cytokinesis is the splitting of a cell membrane to form 2 identical daughter cells. it's similar to mitosis as both cells have identical copies of dna and cytokinesis is a step in the mitotic cycle.