All of the following are causes of the business cycle except:
a. inventory adjustments
c. "tight money" policies
b. innovation and imitation
d. changes in capital expenditures

Which of the following is caused by reproductive isolation within a species? a. a decrease in gene flow b. an increase in genetic flow c. a decrease in genetic drift d. an increase in gene flow

When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?

Anonnative species is best described as a species that a. does not normally live in an area b. has no permanent home c. is a poor predator d. increase biodiversity