These laws were passed to ensure a steady source of cheap labor and were used to impose restrictions on freedmen in the post-Civil War south were known as...? a. Black Codes
b. Tax Codes
c. Zip Codes
d. Constitutional Amendments

Which of harriet martineau’s books is a foundational treatise on sociological data collection?

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 a short paragraph, explain what franklin’s attitude would be toward today’s standardized testing.