Which of the following statements is correct about correlation

Of the 168 hours in a week as a full time student you should spend how many hours per week on school work?

Registrars maintain high a. standardized tests b. faculty payrolls c. transcripts d. sporting facilities

In this food web, which group would increase in number if snakes were eliminated? a. producers b. decomposers c. primary consumers d. secondary consumers e. tertiary consumers