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  2. Biosphere - Wikipedia

    en.wikipedia.org/wiki/Biosphere

    Life forms live in every part of the Earth's biosphere, including soil, hot springs, inside rocks at least 19 km (12 mi) deep underground, and at least 64 km (40 mi) high in the atmosphere. [ 27 ] [ 28 ] [ 29 ] Marine life under many forms has been found in the deepest reaches of the world ocean while much of the deep sea remains to be explored.

  3. Five themes of geography - Wikipedia

    en.wikipedia.org/wiki/Five_themes_of_geography

    Map projections are used to represent the three-dimensional Earth on a two-dimensional map. The Earth's position relative to the Sun affects climate, seasons, and time zones. [1] Location as a theme helps teachers to demonstrate to students that observers have to know and be able to explain where something is before it can be examined ...

  4. Climate system - Wikipedia

    en.wikipedia.org/wiki/Climate_system

    The five components of the climate system all interact. They are the atmosphere, the hydrosphere, the cryosphere, the lithosphere and the biosphere. [1]: 1451 Earth's climate system is a complex system with five interacting components: the atmosphere (air), the hydrosphere (water), the cryosphere (ice and permafrost), the lithosphere (earth's upper rocky layer) and the biosphere (living things).

  5. World Network of Biosphere Reserves - Wikipedia

    en.wikipedia.org/wiki/World_Network_of_Biosphere...

    The World Network of Biosphere Reserves (WNBR) of the MAB Programme consists of a dynamic and interactive network of sites. It works to foster the harmonious integration of people and nature for sustainable development through participatory dialogue, knowledge sharing, poverty reduction, human well-being improvements, respect for cultural values and by improving society's ability to cope with ...

  6. Environmental groups and resources serving K–12 schools

    en.wikipedia.org/wiki/Environmental_groups_and...

    Project BudBurst [24] is a national field campaign for citizen scientists designed to engage the public in the collection of important climate change data based on the timing of leafing and flowering of trees and flowers, and the project provides resources and opportunities for K-12 teachers [25] and students. [26]

  7. Biogeochemical cycle - Wikipedia

    en.wikipedia.org/wiki/Biogeochemical_cycle

    The major parts of the biosphere are connected by the flow of chemical elements and compounds in biogeochemical cycles. In many of these cycles, the biota plays an important role. Matter from the Earth's interior is released by volcanoes. The atmosphere exchanges some compounds and elements rapidly with the biota and oceans.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Oxygen cycle - Wikipedia

    en.wikipedia.org/wiki/Oxygen_cycle

    The Earth's atmosphere, hydrosphere, and biosphere together hold less than 0.05% of the Earth's total mass of oxygen. Besides O 2 , additional oxygen atoms are present in various forms spread throughout the surface reservoirs in the molecules of biomass , H 2 O , CO 2 , HNO 3 , NO , NO 2 , CO , H 2 O 2 , O 3 , SO 2 , H 2 SO 4 , MgO , CaO ...

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