Which of the following conclusions can you draw based on the data in the chart

Whether or not a given study has the possibility of causing harm to participants:

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

Is it true the ancient egyptians created a calendar that had 10 days in a week