Life expectancy refers to the average number of years a person can expect to live. Give the reasons for shorter life expectancy of the poor.

1)which is the following was characteristic of the british colonies but not the french or spanish religion a. presence of slavery b. religion conversion c. smuggling and piracy d. strict racial hierarchy 2)how did the columbia exchange affect europe? a diseases from the new world decimated the population of the european continent b new crops introduced to europe generated further interest in the new world c enslavement of american indians in europe changed cultural attitudes toward slavery d the items produced by american indians become objects of competition in europe

The diagram shows fossils buried in layers of rock. which conclusion is best supported by the diagram?

Why would employers want there to be large numbers of unemployed workers around?