Write out the words according to their meanings in the right column. The first letters are already given. 1. c__________ capable of destroying or eating away; a substance to cause corrosion 2. h__________ a source of danger; a possibility of incurring loss or misfortune; put at risk 3. i__________ the degree of visibility of your environment; an interpretation that removes obstacles to understanding 4. o _________ any structure that makes progress difficult 5. r __________ energy that is radiated or transmitted in the form of rays or waves or particles 6. s__________ incapable of reproducing 7. t__________ of or relating to or caused by a toxin or poison 8. v__________ the act of supplying fresh air and getting rid of foul air