Explanation:
Elements in same group show same valency because they have same number of electrons in ther outermost shell i.e. Valence shell. Since valency depends upon the valence electrons so they have same valency. Elements in the same group have same valancy.
For almost every situation, the best listening response is paraphrasing. Paraphrasing refers to restatement of a text or speech. In every situation you can <span>express the meaning of the speech the other said using different words.
</span><span>You can use different words to express the same idea or meaning.</span>
The correct answer for this question is "d.they should leave their current dangerous neighborhoods."
A turn-of-the-nineteenth-century real estate ad targeted to immigrant workers says, "where there was darkness, now there is light." This adimply about the lives of working is that <span>they should leave their current dangerous neighborhoods.</span>