The role of our blood to ______ oxygen to your vital organs. - carry, Discoveries in one area of science often ____ to other discoveries in different fields. - lead, Sometimes scientists don`t _______ the importance of their discoveries in their own time.  - realize , Nothing can _______ the fact that our genes play a big part in who we are. - alter, Does anyone know how to _____ these maths problems? - solve, In this programme, scientists _______ the link between diet and cancer. - investigate, I`m not going to believe you unless you can ______ that what you say is true. - prove, It isn`t possible for scientific tests to ________ clear-cut answers in every police investigation. - provide,

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