The Venus lacks
a. an atmosphere.
b. a solid surface.
c. a moon.
d. a gravitational field.
c
You might also like to view...
A 2 kg ball is floating in water. The volume displaced by the ball is
A. 0.005 
B. 0.004
C. 0.003
D. 0.002
E. 0.001
Discuss the role that gravity assist played in Voyager 2 and its Grand Tour
What will be an ideal response?
Why are white dwarf supernovae more useful than massive star supernovae for measuring cosmic distances?
A) White dwarf supernovae all have roughly the same true peak luminosity, while massive supernovae come in a wide range of peak luminosities. B) White dwarf supernovae are much more common than massive star supernovae. C) White dwarf supernovae follow a period-luminosity relation, while massive supernovae do not. D) We can see only white dwarf supernovae in distant galaxies, not massive star supernovae.
The exchange of mediating photons can produce:
a. neither a repulsive nor an attractive force. b. either a repulsive or an attractive force. c. a repulsive force. d. an attractive force.