What is an example of an event that can compromise an ecosystem? a. global warming melting summer ice floes in the Arctic
b. rivers flooding the Amazon Basin in South America
c. solar storms hitting Earth's magnetosphere
d. ocean currents cooling the Gulf Stream

Which of the following statements best describes the quantity theory of inflation? a.inflation occurs because production cost rise and this cost increase is passed on to consumers in the form of higher prices b. inflation occurs because there is too much money in the economy c. inflation occurs because demand of good and services exceeds existing supplies d. none of these