Author Question: Over time, the star-gas-star cycle leads the gas in the Milky Way to ________. A) become denser ... (Read 20 times)

plus1 · **on:** Jul 27, 2018

Over time, the star-gas-star cycle leads the gas in the Milky Way to ________.

A) become denser and hotter
B) have a greater abundance of heavy elements
C) have a lower abundance of heavy elements
D) become denser and have a greater abundance of heavy elements

Question 2

The coformation hypothesis for the origin of the Moon is difficult to reconcile with the dissimilar ________ and ________ of the Earth and Moon.

Fill in the blank(s) with correct word