How do you know when a tornado is almost over

Newspaper started by john campbell:

Which statement below accurately describes the carrying capacity of any ecosystem? a. it is not affected by any abiotic or biotic resources. b. it does not affect the species of an ecosystem. c. it is completely dependent upon the food supply. d. it is affected by both abiotic and biotic resources

Explain the ways in which patrol officers may be used to increase the efficiency and effectiveness of criminal investigations. (150 words