Multiple choice

The museum is taking measures to protect its paintings [a]/from the damaging effects[b]/ of pollutions and utra-violet rays,[c]/ which are getting worse and worse with each passing year.[d]

  1. a

  2. b

  3. c

  4. d

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Two errors exist: 'pollutions' should be the singular 'pollution', and 'utra-violet' is misspelled (should be 'ultra-violet'). Pollution is an uncountable noun in this context, and the spelling error is clear.