A brief definition of wind vane

What path do global winds follow due to the coriolis effect? a curved path a random path a straight path a vertical path

Explain why the rate of urbanisation is in the way it is between developed and undeveloped countries.

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