The newly-formed Earth’s atmosphere was very different from Earth’s current atmosphere
because it had
a. virtually no nitrogen, the major component of today’s atmosphere.
b. an enormous amount of carbon dioxide, resulting in very hot temperatures due to
greenhouse effect.
c. virtually no oxygen, a necessary component for the existence of animal life.
d. an enormous amount of methane and ammonia, which was never lost by the
atmospheres of the outer planets.
e. an abundance of mercury vapor
C
You might also like to view...
The three stages of a developing hurricane (from the first stage to the third) are ____
A) tropical disturbance, tropical storm, and typhoon B) tropical depression, tropical disturbance, and tropical storm C) tropical disturbance, tropical depression, and tropical storm D) cyclone, typhoon, and tropical storm
The marine west coast environment
A) is restricted to west coasts of continents. B) typically occurs at the same latitude as Mediterranean climates, or perhaps just to the equator side. C) is too mild for snow. D) has mild summers.
What organizational structure of the firm is a combination of at least two of the basic organizational formats?
A) Functional orientation B) Product orientation C) Geographic orientation D) Customer orientation E) Matrix structure
Clouds are classified according to which of the following characteristics?
A. appearance B. latitude C. altitude D. method of formation