Late doing these. On holiday and bloomin 3G dongle wouldn't work! If it had lasted another day I would have to go into Crossword rehab! Help please (LIK are you still out there?) 2d relating to land or a portion of surface (5) A?E?L 3d French chemist who invented the slowing mircobial growth on food (7) P?S?E?R 29d Polish city on the baltic (6) D?A?S? and last but not least 40a Looped Egyptian cross (5) ?N?H?