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A.    1 – e  ,  2 – d    , 3 – b ,     4 – a ,     5 – c

B. 1. Space  , 2 . Solar system  , 3. Planets 

4. Satellites  , 5. Galaxy 

C. H w

D. 1. Mercury  – it does not have rings. 

2. Pluto  – it is a dwarf planet. 

3. Neptune  – it is a planet and rest are stars.

4. Galaxy  – it is a group of many, many thousands of stars.

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