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1. B 2.1 HL Membranes and transport.pptx
Water ppt.pptx topic 2.2 IBDP biology 1
A1.1.2.pptx water - hydrogen bonding of water
Rocks and Minerals .pptx for environmental management
climate change and energy choice in topic 7.1
IGCSE Environmental Management 2019-24 POS v1b.pdf
ENV management - Introduction Powerpoint
Minerals - rocks cycle and mineral exploitation