What do we mean by the frost line when we discuss the formation of planets in the solar nebula?
A) It is another way of stating the temperature at which water freezes into ice.
B) It is a particular distance from the Sun, beyond which the temperature was low enough for ices to condense.
C) It marks the special distance from the Sun at which hydrogen compounds become abundant; closer to the Sun, there are no hydrogen compounds.
D) It is the altitude in a planet's atmosphere at which snow can form.
B) It is a particular distance from the Sun, beyond which the temperature was low enough for ices to condense.
You might also like to view...
How much work is required to stretch a spring 25.2 cm if its force constant is 12.3 N/m?
A) 0.391 J B) 0.488 J C) 3.10 J D) 1.05 J E) 0.381 J
A 3.00-kg stone is dropped from a 39.2 m high building. When the stone has fallen 19.6 m, the magnitude of the impulse the Earth has received from the gravitational force exerted by the stone is
a. 9.80 N s. b. 19.6 N s. c. 29.4 N s. d. 58.8 N s. e. 118 N s.
Describe how a 1.0 M solution of hydrochloric acid is prepared
Photons of light can be absorbed by an atom of an element ____
a. if they match one of several possible wavelengths that are absorbed by that element b. if they match one of several possible wavelengths that are absorbed by all elements c. if they match the only particular wavelength that can be absorbed by that element d. if they match the only particular wavelength that can be absorbed by all elements e. no matter what wavelength they have