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.
Total fertility rates (TFRs) among major regions of the world.
Longer regions have more crossovers and thus higher recombinant frequencies
Anterior and posterior views of the body illustrating the location of various body regions.
Relationship between levels of COHb in blood and concentration of CO in the surrounding air
Many vehicles equipped with an automatic transmission use a transmission fluid cooler installed in ...
Air-Mass Source Regions for North America