Sim-Planet: Make the difference between the night and day temperatures larger.
A) Increase the tilt of the planet's rotation axis.
B) Increase the greenhouse gas content of the planet's atmosphere.
C) Move the planet closer to the Sun.
D) Make the planet rotate more slowly.
Question 2
If you heat a gas so that collisions are continually bumping electrons to higher energy levels, when the electrons fall back to lower energy levels the gas produces
A) thermal radiation.
B) radio waves.
C) an absorption line spectrum.
D) an emission line spectrum.
E) X-rays.
An ecological puzzle: the cicada, Diceroprocta apache, is active when air temperatures would appear
Image of an Almost-Extrasolar Planet
Regular staff meetings increase the efficiency of the medical office staff.
Biomass can be processed to make vehicle fuels
Thermometer Showing the Temperatures
Changes in Global Mean Temperatures