If a scientist found a sample of crystal, which had a large amount of
lead surrounding it, how would you describe the age of this crystal? Very young, old, or is the amount of lead not related to the age?

List 3 factors commonly used to select the location of a city

Technology has affected regional settlement patterns in what ways? choose all that apply. climatic improvement strategies have improved crop productivity. mechanized agricultural methods have improved agricultural productivity. participation in the global economy has increased urbanization. population shifts from urban to rural areas has increased as a result of petroleum production. settlement areas have increased as a result of improved water storage and delivery systems.

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