Exercise 4 - Part 3
Use the word given in CAPITALS and brackets to form a word that fits in the gap.
Some of the gaps might have more than 1 answer, in that case, the system will detect it as incorrect, but will provide all the possible answers.
The (1) (EXPLORE) of the deep sea is a (2) (CHALLENGE) task for scientists. The extreme pressure and (3) (DARK) make it nearly (4) (POSSIBLE) to stay long. However, (5) (TECHNOLOGY) advances have led to the (6) (DISCOVER) of new species. These creatures have unique (7) (CHARACTER) that allow them to survive. Their (8) (EXIST) proves how resilient life can be in harsh environments.
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