a girl pulls a wheel barrow with load of 4000N to cover the distance of 5cm. calculate the work done by him.​

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 primary agent of contact metamorphism is

What is the amount of organic matter in all living organisms in a habitat called?