4. What landform do all the states with silver deposits have in common?

The causes of the failure of the league of nations

What type of aid does nigeria receive? short term, tied, voluntary, bilateral, multilateral or long-term?

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