An air mass derives its characteristics from its
a. temperature.
b. surroundings.
c. location.
d. source region.
d
You might also like to view...
The ____ coincides with the period known as the "little ice age" of Europe and North America. This provides one piece of evidence that suggests a link between solar activity and the amount of solar energy Earth receives
a. Maunder sunspot minimum b. Babcock sunspot model c. coronal hole d. Coulomb barrier e. weak solar force
Imagine the much more massive Jupiter were to switch places with the less massive Mercury. Which of the following would accurately describe the outcome?
A. Jupiter would orbit the Sun in less time than it did before. B. Mercury would orbit the Sun in less time than it did before. C. The orbital time for each of the planets would not change. D. Jupiter would orbit the sun in more time than it did before.
Of the methods listed below, which is the best for measuring the distance to the Andromeda galaxy, a member of the Local Group?
A. Hubble's law B. trigonometric parallax C. the Cepheid variable period-luminosity relationship
Which statement is true about the interstellar medium?
A) Gas contains a lot of carbon atoms. B) Dust blocks the longest electromagnetic wavelengths. C) Gas obscures the light from distant stars. D) We know more about the gas than the dust. E) Dust is spread uniformly through the galaxy.