Please need help on this

Because north america is in a it has a variety of biomes and climates. a. high latitude zone c. middle latitude zone b. middle longitude zone d. high longitude zone select the best answer from the choices provided a b c d

Describe the four major spheres of the earth system; identify the parts of the earth they each represent. explain what is meant by the "earth system."

The us labor movement began in the a. 1930s b. 1920s c. 1880s d. 1860s select the best answer from the choices provided. a b c d