Answer:
Every child has the right to learn. A lack of trained teachers, inadequate learning materials, makeshift classes and poor sanitation facilities make learning difficult for many children.
Explanation:
Assuming your options are <em>infinitives, repetition, adjectives, and punctuation, </em>the correct answer is infinitives.
The answer is rather simple when you think about it - there are no infinitives in this passage, so obviously they cannot contribute to any mood. There are repetitions (the word fog is constantly being repeated), there are a lot of adjectives, and some punctuation marks - all of which contribute to the dreariness of this excerpt.
Incredibly is very or in abundance
