If the temperature of the Earth cools, how does the carbon dioxide cycle respond?
A) it increases the rate of volcanic eruptions, thus increasing the rate of carbon dioxide production
B) it slows the formation of carbonate minerals in the oceans, thus pulling less carbon dioxide out of the atmosphere
C) it speeds up the formation of carbonate minerals in the oceans, thus pulling more carbon dioxide out of the atmosphere
D) it reduces the rate of volcanic eruptions, thus reducing the rate of carbon dioxide production
Question 2
A mirror with a focal length 20 cm has a 4.0 cm tall object placed 100 cm in front of it. What is the position of the image?
A) 25 cm behind the mirror
B) 20 cm behind the mirror
C) 20 cm in front of the mirror
D) 25 cm in front of the mirror
E) 100 cm in front of the mirror
Carbon dioxide emission per gigajoule of energy released
Earth with Rings
Neuroendocrine Control of the Menstrual Cycle
Layers of Earth
Precession: Earth’s axis rotates, or “wobbles”
Carbon Dioxide Concentrations for 400,000 years