Answer:
<h2><em><u>B</u></em><em><u>.</u></em><em><u> </u></em><em><u>Mercury</u></em></h2>
Explanation:
The planets <em><u>Mercury and Venus </u></em> don't have a natural satellite.
Southeast of michigan, south of lake erie, east of indiana, west of pennsylvania, north of kentucky and west virginia
soft clay and wet and sandy soil as they are more likely to collapse or corrode over time especially the wet and sandy soil which will erode with rain or water
I'd have to say gas because it usually doesn't change at all
