Members of lower castes are often. by members of higher castes? A offered food
B. formally adopted
C. sold as slaves
D. treated with violence

Write a short paragraph of about 150-300 words. explain how the physical environment can limit human activities.

Reading graphs: unemployment us unemployment rate (1961-2011) identify the trends in the graph and then use the drop- down menu to complete each statement from 1961 to 1965 unemployment was in the mid-2000s through 2011. unemployment was percentage unemployed 1961 1971 1981 1991 2001 2011 year

The earth is composed of three different chemical layers: core, mantle and crust. the formation of these layers was from a process called