Which of the spectra shown are absorption spectra?

How did the russian revolution impact world war l ?

Explain how the ideas of karl marx came to influence american workers in the late 1800s

Which of these best describes the function of a "super pac"? a)create bi-partisan legislation that can become law b)organization meant to reign-in spending of political candidates during election cycles c)promote the interests of supreme court justices without breaking specific tampering laws d)raise funds through donations from corporations or individuals to support or oppose specific political candidates