Which of the following is an example of an externality: a) A long line of people at an afternoon matinee at the movie theater. b) A flood wipes out a farmer's entire corn crop. c) A student sells his/her economics textbook after failing the class. d) A student voluntarily asks a question during class.

Think about the different ecosystems we would find while studying the physical geography of the united states. which ecosystem do you live in? in a short paragraph, describe the ecosystem that surrounds you. what kinds of plants and animals are common in your area?

What body has the power to impeach the president

In the years after world war ii, which of the following caused many people from asian and african countries to migrate to europe? a. the end of the soviet union b. new economic opportunities after colonialism ended c. the religious freedom found in europe d. new laws allowing greater numbers of immigrants into european countries