ESS 21 2019 Midterm 2 Version A practice test (1).pdf - ESS...

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ESS 21: On Thin Ice Midterm 2 2019 Version A First Name:_______________________ Last Name: _______________________ Student ID No.: ___________________ Part A: Answer the following 20 multiple choice questions on the Datalink form using a 2B pencil. Questions are worth 1 point each. 1. What is the value of angle Z on the diagram below? 2. Which of the following will NOT raise sea level when it melts? a. ice sheet b. cirque glacier c. sea ice d. tidewater glaciers 3 . A satellite emits a radio wave towards Earth’s surface which is 3000 km below. If the radio wave travels at 300,000 km/s, how long will it take the satellite to detect the reflected signal? 4. If a rock can contain only small amounts of water but the water can flow through it easily, it has 5. What causes carbon dioxide or methane to be released when permafrost thaws? α α
6. From the food web above, which of the following are autotrophs? a. krill b. zooplankton c. penguins d. phytoplankton

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