19. Which of the underlined words in the following paragraph are transitions?
Too much (1) sun can produce many negative consequences. First (2), it can dry your skin, which in turn
reduces its elasticity and (3) speeds the aging process. Second (4), too much sun can burn unprotected skin and
cause permanent discoloration and damage to the dermis (5). Most importantly (6), long-term exposure of
unprotected skin can result in (7) skin cancer.
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