Help please- Which of the following agricultural clusters deals most directly with the dangerous problem of pollution?

animal systems

environmental service systems

power, structural and technical systems

food products and processing systems

In the reading, i know why the caged bird sings, marguerite views mrs. flowers as a larger than life personality. which quote from the text most strongly supports how marguerite views mrs. flowers? question 18 options: a) “i’ll accept no excuse if you return a book to me that has been badly handled.” b) “you see, i had planned to invite you for cookies and lemonade so we could have this little chat.” c) “there was a little path beside the rocky road, and mrs. flowers walked in front swinging her arms and picking her way over the stones.” d) “somehow i had never connected mrs. flowers with food or eating or any other common experience of common people.”