What early river civilization does the chart describe?

Im stuckwhich of these terms describes government-sponsored ploicies and organizations the provide free healthcare and education

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

What is significant about the power that russian federal cities are granted?