why did the Founding Fathers build safeguards into the federal government?

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

In what was the 1851 indian appropriations act considered a peace plan according to the federal government

Explain the strengths of the articles of confederation and how people reacted to this document. ! ^^^ 10 points