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mdrscience

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  • 8 Presentations
  • Joined 11/07/2011

Uploads

hello
hello
  • 183 views
Heat
Heat
  • 390 views
ELECTRICITY i pupILS
ELECTRICITY i pupILS
  • 340 views
CHANGES OF STATE
CHANGES OF STATE
  • 341 views
forces
forces
  • 372 views
electricity
electricity
  • 385 views
phys and chem changes
phys and chem changes
  • 257 views
gasesb
gasesb
  • 364 views