The head of state is mostly a ceremonial position in which of the following countries? A. Germany and Russia B. Germany and the United Kingdom C. Russia and the United Kingdom D. Spain and Russia Please select the best answer from the choices provided

Some gamma ray bursts are hypothesized to come from mergers of neutron stars or black holes. if this hypothesis is correct, what else should we in principle be able to detect from such mergers? a. gravitiational waves b. x-ray bursts c. significant disruption of gas thousands of light-years away in the surrounding galaxy d. an "afterglow" of bright visible light, lasting for weeks

Following lenin’s death, who took control of the soviet union

Choose the correct chronological or of the time periods