Who is widely believed to be the first person to have officially reached the north pole?

The model of human settlement suggests that uthe model of human settlement suggests that urban growth is patterned around transportation networks such as railroads and highways. a. burgess b. hoyt c. sauer d. von thunenrban growth is patterned around transportation networks

The two types of plains are coastal plains and lowland plains

In the figure, polygon abcd is transformed to create polygon a′b′c′d′. this transformation is a by a factor of .