Three Environmental science questions2.) HYDROLOGICAL CYCLE f.) Above are discharge records for the Neponset River (East Branch) for 2017 2018 2019 and 2020. Describe the similarities and differences in the hydrograph from year to year. Explain what causes these patterns. (6 points) 3.) NEPONSET RIVER WATERSHED d.) What is the ecological footprint of the population of the Neponset River Watershed (330000 people)?In other words how much land is required to supply all the goods and services used by the population of Massachusetts? How does this compare to the area of the Neponset River Watershed? Please explain how you derived your answer. (4 points) e) Is Massachusetts large enough to produce all of the goods and services of the population of the Neponset River Watershed? Explain your answer. (1 point) f) What area is required to produce all the goods and services of the population of Massachusetts (7 million people)?(1 point) 4.) COMPLEX SYSTEMS e.) What is a 100-year flood? (2 points) f.) How often will 100-year floods occur in 2050 in Boston? (Remember to cite your sources or explain your assumptions) (2 points) h.) How would a 2.5 foot sea-level rise plus possible 5 foot storm surge = 7.5 feet (prediction in above map) affect UMass Boston? (3 points) The details are in the Attached file.