In the outer most layer of the atmosphere, gas molecules can have a temperature of 1000°C because ________
A) that is the temperature of an object that is entering the earth's atmosphere at a high speed
B) there is no filter to keep the sun from heating the outer atmosphere
C) that is the temperature of the solar radiation
D) that is the speed of the individual molecules
E) none of the above
B
You might also like to view...
The atomic number of an atom designates the number of protons and neutrons found in its nucleus
Indicate whether the statement is true or false
Examining your flight plans for a trip from Atlanta, Georgia, to Seattle, Washington, and back, you notice that the total time in the air for the flight to Seattle is much longer than the flight back to Atlanta
Then it occurs to you that this is probably because of the impact of A) the jet stream. B) several weather fronts along the way. C) the mixing of the troposphere and stratosphere. D) changes in time zones as you fly between the east and the west.
What happens to the mRNA when it binds to the two ribosomal bodies?
A) Nothing, it retains its original three-dimensional shape. B) It forms a double helix. C) It is stretched out. D) It splits into two parts, each of which is associated with a ribosomal unit.
Which approach to health hazards is the most expensive?
A. treating illnesses B. vaccinations C. programs to prevent diabetes D. increased cancer research