Sunspots are cooler than the surrounding gas in the photosphere because
A) they are regions where convection carries cooler material downward.
B) there is less fusion occurring there.
C) magnetic fields trap ionized gases that absorb light.
D) strong magnetic fields slow convection and prevent hot plasma from entering the region.
E) magnetic fields lift material from the sunspot and quickly cool the material.
Question 2
Why does increasing the amount a greenhouse gas increase the temperature of a planet?
A) Greenhouse gases absorb visible light. B) Greenhouse gases emit visible light.
C) Greenhouse gases absorb infrared light. D) Greenhouse gases emit infrared light.
The Sleep/Waking Flip-Flop According to Saper et al. (2001), the major sleep-promoting region (the v
Regions of the Brain Affected by Antianxiety Medications
Examples of Body Regions and Their Location
Industrial Regions
Agricultural Regions
Global Soil Regions