The building of the railroads impacted the economy and new business practices in the late 1800s, which of these is not one of those impacts?
a. new industries emerged, such as lumber, coal, and steel
b. they created reasonable scheduling expectations
c. cities grew in the west and became shipping centers
d. they formed corporations and issued stocks and bonds

Aheard of sheep moves up in the mountain to graze during summer and migrated to the valley during winter what type of migration do the sheep follow

Match the people with the appropriate description. vernon and irene castle arthur murray fred astaire willi ninja a. stylized the forms of ballroom dance by incorporating other dance forms b. responsible for renewing the influence of ballroom dance in america c. godfather of vogue danced. responsible for standardization/teaching of steps leading to spread of ballroom dance education

Which subsystem includes the air we breathe