Why would bacteria in a meteorite from Mars help explain how life arose on Earth.

The purpose of laws were to restrict the rights of african americans who lived in southern states. a) "jim crow" b) "civil rights" c) "anti prohibition" d) "reconstruction acts"

How did the growth of railroads american businesses expand

Martin, a 32-year-old human relations administrator at a university, believes that all professors over age 50 are incapable of learning the new educational technologies and are content to keep presenting their same "tired, boring" lectures. he often expresses these views to other administrators and does not encourage any of the "older" faculty members to attend professional development meetings related to new teaching approaches nor does he suggest that the university send them to any of the technology conferences. martin is exhibiting