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.
Relationship between levels of COHb in blood and concentration of CO in the surrounding air
Regions of the Primary Motor Cortex and Associated Axons of the Corpus Callosum
Many U.S. regions under threat due to changes in sea level
Mapping of the abdomen into nine regions
Sunspots
Air-Mass Source Regions for North America