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Match it! Select the correct answer from the pull down...Good luck!
is there lfe on other planets
earth,mars,venus,mercury
4 billion years
solar sails
juipiter
we don't know
unidentified flying objects
yes
yes
when will the sun die out
earth,mars,venus,mercury
4 billion years
solar sails
juipiter
we don't know
unidentified flying objects
yes
yes
what does u.f.o stand for
earth,mars,venus,mercury
4 billion years
solar sails
juipiter
we don't know
unidentified flying objects
yes
yes
was there life before humans
earth,mars,venus,mercury
4 billion years
solar sails
juipiter
we don't know
unidentified flying objects
yes
yes
will the universe end
earth,mars,venus,mercury
4 billion years
solar sails
juipiter
we don't know
unidentified flying objects
yes
yes
what will be the best way to travel across spance in the future
earth,mars,venus,mercury
4 billion years
solar sails
juipiter
we don't know
unidentified flying objects
yes
yes
which planet did galileo discover
earth,mars,venus,mercury
4 billion years
solar sails
juipiter
we don't know
unidentified flying objects
yes
yes
what are the names of the inner planets
earth,mars,venus,mercury
4 billion years
solar sails
juipiter
we don't know
unidentified flying objects
yes
yes
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