9. there are 5 stratigraphic principles, list these principles and describe them below: 10. there are 5 mass extinctions that have occurred during earth's history, list the periods during which these extinctions occurred

Answermost of the time it would be ground into fine sediment,and sometimes they are carried away from the original location;

Aristotle thought so every portion of the earth tends toward the center until by compression and convergence they form a sphere. travelers going south see southern constellations rise higher above the horizon.~ hope this !

Iwould say the answer is d

It's probably because the earth is actually tilted and is not straight when orbiting the sun. that's why when it's winter here, it's summer in the southern hemisphere. in the wintertime in the northern hemisphere, it's colder here because it's tilted away from the sun and the southern hemisphere is tilted closer to the sun (i believe this is the case anyways)