Are earthquakes scattered all over the world or do they seem to occur near each other ( in groups)?

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

Which phrase describes the time it takes for a planet to make a complete rotation

It is the early 1900s. a vast empire has recently collapsed. now the empire's subjects control their own future. what of the following events is most likely to happen? (4 points) i. various ethnicities will form nation-states. ii. ethnicities will fight over areas that are rich in resources. iii. the former empire will become a unitary multinational state. iv. different ethnic groups will unite to form a homogeneous culture. i and ii i and iv ii and iii ii and iv iii and iv which best explains why the number of states in the world increased significantly between 1985 and 1995? (4 points) the map of southeast asia was redrawn, and new countries were formed. new states were formed when the soviet union collapsed. many african states received independence from their colonizers. communist countries seeking to spread their influence created new satellite states. civil wars in central america fueled the creation of new states.