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!
Light dependant reaction and Light independent reaction
What is involved in the sacred pipe ritual performed during the sun dance ceremony?
A.
individual purification in a sweat lodge
B.
offering of prayers to the four directions, the Earth, and the sky
C.
healing of people through the use of sacred objects
D.
dancing to drumbeats while facing the sun
Where do ships have to make the greatest water-level adjustment?
The Panama Canal
There are no true statements on that list at all.