{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Life Developed - Bad… The Earth is much warmer because of...

Info icon This preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Life Developed The solar system formed about 4.6 Billion years ago WE KNOW that by 3.5 Billion years ago we had bacteria and blue-green alge By 2.5 Billion years ago plankton were altering the oxygen content of the atmosphere Greenhouse Effect Any gas that absorbs infrared Greenhouse gas: molecules with 2 different types of elements (CO2, H2O, CH4) Not a greenhouse gas: molecules with single or 2 atoms of the same element (O2, N2)
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Bad…. .? The Earth is much warmer because of the greenhouse effect than it would be without an atmosphere…but so is Venus. Earth’s CO2 is in Rocks - like limestone (and some in plant life and in the ocean) Why did this happen on Earth and not on Venus? Venus lacks oceans to dissolve the carbon dioxide and lock it away in rock on the seafloor...
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern