12. It is a less known fact that a particular shape of diamond might appear bigger than another a different shape ....the two weigh the same. A) in case B) even if C) so that D) once E) lest 13. Just like - other animal out there, snakes basically focus on just - things like finding food and protecting themselves at any given time in order to survive. A) some/much B) all/every C) every/a few D) an/each E) hardly any /some 14. Obviously, the ecosystem of Antarctica is not __ diverse that of the Arrtic region which has less harsh conditions. A) both/and B) whether/or C) so/that D) so/as E) either/or eovisast emp leiution bris elinw belonexe 15. People with a lot of confidence derive their sense of pleasure and satisfaction from their own accomplishments - what other people think of their accomplishments. A) as far as B) in case of C) due to D) in terms of E) rather than

12. B) even if<br /><br />Explanation: The correct answer is "even if" because it indicates that the diamond might appear bigger than a different shape even though the two weigh the same.<br /><br />13. B) all/every<br /><br />Explanation: The correct answer is "all/every" because it indicates that snakes focus on all things like finding food and protecting themselves at any given time in order to survive.<br /><br />14. D) so/as<br /><br />Explanation: The correct answer is "so/as" because it indicates that the ecosystem of Antarctica is not as diverse as that of the Arctic region, which has less harsh conditions.<br /><br />15. E) rather than<br /><br />Explanation: The correct answer is "rather than" because it indicates that people with a lot of confidence derive their sense of pleasure and satisfaction from their own accomplishments instead of what other people think of their accomplishments.