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Sonja [21]
3 years ago
15

During most of the Mesozoic Era, the Earth was ________. A.warmer than present B.about as warm as present C.cooler than present

D.experiencing wild temperature fluctuations E.Unclear from the data presented. If you choose this answer explain what you are seeing.
Geography
1 answer:
suter [353]3 years ago
4 0

Answer:

A.warmer than present

Explanation:

During most of the Mesozoic Era, the Earth was warmer than present.

This is because during the Mesozoic era the land were far away from water bodies which led to prevalence of deserts while today the land are much more closer to the water bodies. It’s a known fact that water bodies help in the thermoregulation and cooling of the atmosphere.

This is the main and feasible reason why the Earth was warmer in the Mesozoic era than now.

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The correct answer is - D. volcanic eruptions.

In recent studies and research about the water on our planet and how it came to be, the scientists managed to find new evidence that suggest that not only the comets and asteroids contributed to the existence of water on our planet, but also the volcanoes.

The volcanoes are actually releasing into the atmosphere the material from the deeper part of the Earth, the mantle layer. The mantle layer, as it turns out, has water in its rocks, so through the volcanic eruptions, that were much more and much bigger in the distant past, that water got released into the atmosphere. From the atmosphere, that water was falling on the surface, thus contributing to the creation of the first oceans on Earth.

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How does it explain the differences between seafloor and continental crust?
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Answer:

The movements involved in plate tectonics acted like a giant conveyor belt for earths lithosphere and the Mid ocean ridges occur where mantle material rises upward, creating new seafloor crust and pushing plates apart.

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How does this action explain the differences between seafloor crust and continental crust?

The movements involved in plate tectonics acted like a giant conveyor belt for earths lithosphere and the Mid ocean ridges occur where mantle material rises upward, creating new seafloor crust and pushing plates apart.

Main differences between sea floor crust and continental crusti is that oceanic crust and continental crust are less dense than the mantle, but sea floor crust is denser than continental crust. It also noticed that subduction occurs at ocean trenches, where dense seafloor crust pushes under less dense continental crust, thereby returning seafloor crust to the mantle. The subducting seafloor crust may partially melt, with lower density material melting first and erupting from volcanoes as new continental crust.

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The fossil record provides a glimpse into the evolution of life on Earth. It shows that there have been remarkable changes in th
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Answer:

  • Archean Eon.
  • Hadean eon.
  • Cenozoic eon
  • Mesozoic eon.
  • Proterozoic Eon
  • Paleozoic eon

Explanation:

  • The Proterozoic Eon continued for about 2,500 to 541 mn years ago and it preceded the Archean. Consisting of the deepwater deposits and the strata,  and showed a rapid continental acceleration and the occurrence of the first known glaciations also to place.
  • The paleozoic eon was for about 542 to 251mn years ago and it was divided into the six geological period ad they started after the breakup of the supercontinent as Pangea.
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  • The Mesozoic era was about 252 to 66 mn years ago and it was the age of reptiles and the coniferous, as Mesozoic is the middle life and is one of the three eras of the Phanerozoic eon.
  • Cenozoic is a new life and is the most recent phase of the geologic eras. ad extends from about 66 mn yer ago. Known as the extinction event of the earth.
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