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.
Mare Imbrium and the Surrounding Highlands
Striate Cortex and Regions of Extrastriate Cortex
The human HLA complex and its different regions.
Sunspots
Air-Mass Source Regions for North America
Phrenology model showing areas of the head overlaying brain regions that control different traits. I