30. Choose the correct answer. McKenzie studied . seafloor spreading continental drift magnetic striping convection currents

Who were the sons of liberty? a. colonists who wanted a monopoly on the british tea trade. b. colonial anti-british protestors c. colonists who wanted seats in the british parliament. d. colonists who wanted to block all colonial trade with britain. !

Which distinctive feature of the notre dame cathedral allowed it to accommodate its large stained glass windows? a. its barrel vaults b. its flying buttresses c. its quadrant arches d.its square bays

Did the both the us and ussr have atomic weapons after 1949