The acidity of the lemon made my mouth pucker

Which term refers to a group or community that forms the focal point of a study and consists of all the people considered for evaluation in the research? a. sample b. population c. variable d. mean

Hurrry plzzz 16 pointsssss which major economic activity in the middle east occurs largely in the areas circled on the map above? a. coal mining b. farming c. nomadic herding d. oil production

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