Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. ab is parallel to cd, and ef is perpendicular to ab. the number of 90 degree angles formed by the intersections of ef and the two parallel lines ab and cd is

Which statements about settlement patterns are true? settlement patterns influence land use. settlement patterns are rarely politically or economically influenced. settlement patterns provide information about the people who live in an area. settlement patterns are influenced by the availability of resources.