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dongkim2
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Nasa's methodical approach to the exploration of Mars has not yet answered the questions of whether biological life forms ever emerged on Mars and whether, presuming such life forms having left fossil traces to begin with, those traces can still exist in some moist recesses of the cold and arid planet.
a. and whether, presuming such life forms having left fossil traces to begin with, those traces can
b. and wether, if it is presumed that such life forms some fossil traces to begin with, can those traces
c. and whther, presuming such life left fossil traces to begin with, can thoses traces
d. and, presuming such life forms did leave some fossil traces to begin with, if they can
e. and, presuming such life forms to have left fossil traces to begin with, if they
Please let me know what the answer is. Thanks!
a. and whether, presuming such life forms having left fossil traces to begin with, those traces can
b. and wether, if it is presumed that such life forms some fossil traces to begin with, can those traces
c. and whther, presuming such life left fossil traces to begin with, can thoses traces
d. and, presuming such life forms did leave some fossil traces to begin with, if they can
e. and, presuming such life forms to have left fossil traces to begin with, if they
Please let me know what the answer is. Thanks!












