Course Hero Logo

It has a much larger fraction of co2 than either of

Course Hero uses AI to attempt to automatically extract content from documents to surface to you and others so you can study better, e.g., in search results, to enrich docs, and more. This preview shows page 20 - 22 out of 46 pages.

it has a much larger fraction of CO2 than either of the other two atmospheres.it has a significant fraction of oxygen in it.it has a higher pressure than these other planetary atmospheres.
2.The age of Earth is considered to be
3.
4.Earth was formed about 4.6 billion years ago, but most of Earth's surface is
5.What is the direct source of the energy that warms the lowest layers of our atmosphere?infrared radiation from the groundvisible radiation from the Sunheat still emerging from Earth as it continues to cool from its initially molten stateultraviolet radiation from the atmosphere
6.Which one of the following techniques can be used to determine the mass of a planet most easily?
Measure the period and size of the orbit of a satellite moving around it.Observe the “wobble” its gravitational pull causes in the motion of the Sun.Observe the spectrum of radiation reflected from its surface.7.
8.Which one of the following processes was important for melting the entire Earth about 4.6 billion years ago?
10.The core of Earth occupies what fraction of its radius?about 25%less than 10%roughly halfalmost 80%
11.The waves that geologists and geophysicists use to probe the inside of Earth are

Upload your study docs or become a

Course Hero member to access this document

Upload your study docs or become a

Course Hero member to access this document

End of preview. Want to read all 46 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Spring
Professor
mcloy
Tags

Newly uploaded documents

Show More

Newly uploaded documents

Show More

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture