When the first solid bits in the solar nebula became large enough to be called planetesimals, what caused them to grow larger more quickly?
a. gravity
b. friction
c. electrical forces
d. pressure
Ans: a. gravity
You might also like to view...
Pulsars could not be ordinary stars that are pulsating because the pulses are too short
a. True b. False Indicate whether the statement is true or false
Heat is transferred from a substance if it is exposed to something that has a lower temperature
a. True b. False Indicate whether the statement is true or false
Which of the following rocks would be the first to weather in a humid climate? Which would be the last? Defend your answers. (a) granite (b) sandstone (c) limestone (d) halite
What will be an ideal response?
If two coherent waves, one with intensity 8.0 units and the other with intensity 4.0 units, undergo destructive interference, what is the resulting intensity?
A. 4.0 units B. 6.0 units C. -4.0 units D. 1.9 units E. 0.7 units