SCI 225 Test 2 with complete solutions 2024

SCI 225 Test 2 Where did the big Ice burg recede over time? - correct answer Northward What is the significance of lakes? - correct answer Evidence of glaciers (melted ice), left behind sand, gravel, and different soils What is clay, silt, and sand dependent on? What are some examples? - correct answer In till they influence the ability to infiltrate rainwater into the ground clay-rich= swampy loamy tills- good for farming What is glacial outwash? - correct answer They are deposits from melted streams coming off of glaciers. Sediment is deposited across broad areas, and the topography is relatively flat What are lake deposits? - correct answer They are relatively flat because the wave action spread out sediment which tended to fill low areas. How are dunes formed? - correct answer wind-blown sand forms great big hills What are glacial tills? - correct answer major lobes of ice deposit them Three major lobes of ice covering the state: Lake Erie Basin, Saginaw Bay, and Lake Michigan Basin What are End moraines? - correct answer shows the various positions of ice glacial tills (ice lobes) as they receded gentle rolling hills of ground moraine very steep high hills of end moraines 1. What did Louis Agassiz discover? 1830's - correct answer Glacial erratic rocks- glacial deposited rocks different (matched higher in mountains) than local rock