science p1 b1 c1 3.0 / 5 based on 8 ratings ? SciencePhysicsGCSEOCR Created by: chloeCreated on: 06-01-13 11:52 what is an allele? different forms of a gene 1 of 8 how can we reduce sulfur dioxide in the atmosphere? use less sulfur in petrol and burn less sulfur 2 of 8 what gas do we produce to much of? carbon dioxide 3 of 8 what order do the earths layers go in? core, mantle, crust 4 of 8 what are plate boundaries? the edge of plates 5 of 8 what occurs at plate bondaries? earthquakes 6 of 8 what are elements made of? atoms 7 of 8 is there more, less or the same amount of atoms after a chemical reaction? same amount 8 of 8
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