Hello There! ^_^
Your question: Which one of the following times would be the longest..?
You answer: The Paleozoic Era would be the longest time span.
the answer is option B.
Hope this helps!
Answer:
Loess.
Explanation:
The Yellow River is the second longest river in China and the fourth longest single river on earth. There are different numbers for its length, depending on the measurement method: 4845 kilometers is the most common one. Its catchment area covers 752,443 km². The river takes its name from the yellowish color that is created by loess that has been removed and washed into the river via streams and tributaries, which in turn fertilizes the land when it floods over its streams, making fertile land on its way.
I think glass does. or maybe a glass prism.
B. The continents on a map looked like they fit together.
A is the theory he proposed <em>after</em> making this observation
C and D would disprove his theory, not support it.
