The most abundant materials in the solar nebula were
A) hydrogen compounds like water, methane, and ammonia
B) hydrogen and helium gases
C) metals
D) rocks
B
You might also like to view...
Why is there no surface on Jupiter or Saturn?
What will be an ideal response?
General Relativity: To what radius would the sun have to be compressed in order for it to become a black hole? The mass of the sun is 1.99 × 1030 kg, G = 6.67 × 10-11 N ? m2/kg2, and c = 3.00 × 108 m/s
A. 2950 m B. 1470 m C. 6.96 × 108 m D. 2.66 × 106 m E. 3.72 × 104 m
If you made a plot of open clusters on a star map, they would be
A. concentrated along the Galaxy's disk. B. evenly scattered on the page. C. clustered away from the Galactic bulge. D. spherically arranged in a halo.
The law of definite proportions states that different samples of a pure compound always contain the same elements in the same proportion by
a. mass. b. atoms. c. atomic number. d. volume.