Paul had three ways to use his allowance money: spend, save, or donate. he decided to donate his money to charity. any value given up by not choosing to spend or save the money is the .
a) opportunity cost
b) marginal cost
c) trade-off

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