1. low land between hills or mountains   beach   harbor   peninsula   valley   Hint Half-n-half Clue   2. small river flowing into a bigger main river   beach   desert   plateau   tributary   Half-n-half Clue   3. group of islands found close together in the sea   archipelago   glacier   iceberg   gulf   Half-n-half Clue   4. part of sea filling wide-mouthed opening of the land   estuary   tributary   bay   peninsula   Half-n-half Clue   5. narrow strip of water connecting two large bodies of water or seas   strait   tributary   harbor   cape   Half-n-half Clue   6. piece of land almost surrounded by water (but joined to mainland on one side)   plain   valley   peninsula   glacier   Half-n-half Clue   7. dry barren land that receives little or no rainfall   peninsula   gulf   desert   delta   Half-n-half Clue