Today, which of the following ethnic groups has the biggest impact on Australia’s culture?

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

List 3 factors commonly used to select the location of a city

How are the arctic and antarctic circles alike?