compare push and pull factors that drive migration, and give two exapmles of each. need an answer imdeatly!!

Reread patrick henry’s quote about the continental congress. what change was taking place in how the colonists saw themselves?

Marine exptoration of oil uses seismic waves to locate oil in the seabed. what is a negative impact from seismic waves on the aquatic ecosystem of the ocean? a.seismic waves kill microoganisms b.seismic waves disrupts the sand and causes seafloor erosion c.seismic waves have virtually no adverse affects on marine life d.seismic waves damage the sonar that dolphins and whales use to orient themselves underwater

When conducting research for forming a hypothesis, which practice should historians follow?