AOS_100_F07_HW1

# AOS_100_F07_HW1 - AOS 100/Lec 2 HOMEWORK 1 DUE Monday Oct.1...

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AOS 100/Lec. 2 HOMEWORK 1 Prof. Young DUE Monday, Oct.1, 2007, 11:00am [We are planning to post this on the web, and have you submit answers there. For now, prepare your answers (ans) and then wait for further instructions.] In most cases, all answers should be whole (integer) numbers only: NO decimals, words or symbols. These short questions are meant to give practical, quantitative insight from Ch. 1, 2 & lectures. If you have spent more than three hours and are stuck, come to TA hours or see me after class. The online scoring will be automated, and I will curve the numerical scores for a grade. 1. Consider the CO2 trend in Fig. 1.4. (a) Calculate the % change been in the past 40 years: ans % (round to nearest 10%). (b) Use your answer to estimate the CO2 Level 80 years from now: ans ppm (round off to nearest 10 ppm). (c) According to Fig. 14.13, the last major CO2 (and temperature) maximum was: ans (thousands of years, rounded to nearest 10).` a. 20 percent b.550 c. 130 2. Figs. 1.8 & 1.9 show pressure and altitude for atmospheric features. (a) The mass of air

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AOS_100_F07_HW1 - AOS 100/Lec 2 HOMEWORK 1 DUE Monday Oct.1...

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