7.10 explain the sources of background (ionising) radiation from Earth and space radon in air Granit in rocks Cosmic rays Medical equipment Food and drink Related Posts:1.03 plot and explain distance-time graphs1.07 plot and explain velocity-time graphs1.21 describe the forces acting on falling objects (explain why falling objects reach a…1.26 use the idea of momentum to explain safety features2.07 explain why a series or parallel circuit is more appropriate for particular…2.24 explain how positive and negative electrostatic charges are produced on materials by… Hydr0Gen2022-11-29T15:42:15+00:00Categories: (b) Radioactivity, 7 Radioactivity and particles, Edexcel iGCSE Physics, Uncategorized|Tags: Double, GCSE, GCSE _Physics_Single, GCSE_Physics_SpecPoint, Physics, SpecPoint, Topic: Radioactivity| Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail