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took part in caused damage to put pressure on drew attention to
have too many conflicting theories do not have enough funding to continue our research are not sure how the universe is put together have focused our investigations on the moon and planets
It is, its Its, it is It is, It is It is, is
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despite even though as if unless
because even if unless before
its composition whose composition about which composition about whose composition
necessary but impossible necessary but difficult impossible and unimportant difficult and impossible
took part in caused damage to put pressure on drew attention to