Why do president’s issue executive order? I need help ASAPP

The folsom culture was replaced by the plano culture. clovis culture. american indian culture. paleo-indian culture.

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

Why did countries not allow jewish refugees asylum?