In our World 0.0 / 5 ? ChemistryThe earth and its atmosphereGCSEEdexcel Created by: SophieEStokesCreated on: 23-09-14 21:40 What is the amount of oxygen in the air in the Earths early atmosphere? little or no oxygen 1 of 5 What created the gases of in the early atmophhere? Volcanos 2 of 5 What can limestone make? Glass 3 of 5 What reduced Carbon diocide in the Early atmosphere? Water vapours condensed and cooled to form water which fell as rain and filled the hollow crusts. 4 of 5 What does deforestation mean? Cutting trees down causing less oxygen for photosynthesis 5 of 5
Comments
No comments have yet been made