Lesson 15

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School

Pennsylvania State University *

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Course

101

Subject

Astronomy

Date

Apr 3, 2024

Type

pdf

Pages

Uploaded by DoctorTeam18550

Lesson 15.1 Participation: How CO2 Concentrations Change in the Atmosphere and Why it Matters Due Apr 3 at 11:59pm Points 3 Questions 3 Time Limit None Allowed Attempts Unlimited Attempt History Attempt Time Score LATEST Attempt 1 2 minutes 3 out of 3 Score for this attempt: 3 out of 3 Submitted Feb 19 at 11:36am This attempt took 2 minutes.  Question 1 1 / 1 pts Correct! Venus Mercury Mars Earth Venus is hotter than Mercury even though Mercury is closer to the sun. Mercury has virtually no atmosphere, whereas Venus's atmosphere is almost entirely carbon dioxide.  Question 2 1 / 1 pts Correct! All of these are correct. The methane concentration goes from 28 ppm to 56 ppm. Take the Quiz Again What is the hottest planet in the solar system? The safe concentration of methane in drinking water is 28 ppm. If you double the concentration of methane in your drinking water, what happens?

The methane concentration goes from 28 mg/L to 56 mg/L. Your drinking water is now toxic and will make you sick. You can start lighting water on fire.  Question 3 1 / 1 pts Correct! All of these are correct. You take the concentration from about 35,000 ppm (parts per million) to 70,000 ppm. You make your coffee twice as sweet. You double the concentration of sugar in your coffee. You double the amount of sugar in your cup. Quiz Score: 3 out of 3 If you have one teaspoon of sugar in your cup of coffee, what happens if you add one more teaspoon?

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Lesson 15

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