Horumar hawo qaabka dhulka
Cashar 3 / 11
Muuqaalka casharka
Muuqaalku weli diyaar ma aha.
Bogagga casharka
weli lama diyaarin
Faahfaahinta casharka
Natiijada casharka
I can describe how Earth’s atmosphere developed over billions of years.
Muuji qoraalka
Early volcanic activity is thought to have made an atmosphere of carbon dioxide and nitrogen billions of years ago.
Carbon dioxide can dissolve in oceans and form carbonates that, over millions of years, can form sedimentary rock.
The amount of carbon dioxide was reduced by the formation of sedimentary rocks and photosynthesis by algae and plants.
Algae and plants produced the oxygen that is now in the atmosphere by photosynthesis.
Phytoplankton in the oceans are responsible for roughly half of all oxygen production that takes place today.
Warqadda shaqada
weli lama diyaarin
Imtixaannada
Imtixaankan weli diyaar ma aha.
Waxa ardaydu arkaan
Tan waa isla casharka sida ardaygu u arko. Waxaad qayb kasta u dirsan kartaa ardayda.
- HordhacDiyaargarow · Ma diyaarsana
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Nuxurkan waxaa leh Cashar, waxaana lagu daabacay shatiga furan.