Please help do not guess 50 points

What is the range of time of the Devonian time period?

What is the name of the EON we are in now?

During what period saw the earliest amphibians?

From what time period is the cooksonia fossil from?

How many million years ago saw the extinction of dinosaurs?

What range of time did trilobites exist on earth?

During what time period saw the last advance and retreat of continental ice sheets?

Looking at the inferred position of the continents, what direction did North America move in the last 232 million years>

Judging by your answer to question 9, what has happened to the climate of North America during the last 232 million years? Explain your answer.

358.9 (+/- 0.4) million years ago

Holocene Epoch, of the Quaternary Period

Devonian period

66 million years ago (prox)

521 million years ago

110,000 years ago

NW

North america became more cold when it moved NW

Explanation:

false

explanation:

boats, things on boats luggage are way more heavy then water.

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.