Answer:
(c) supporting details
Explanation:
When an informative text will need to use other types of reading material that will be used as supporting texts and that will add to the understanding of the main text, we can call them supporting details, as they will position themselves as an additional element to support the analysis and interpretation of a text, adding important information and increasing reading comprehension.
Answer:
Is there a picture or some options?
I think the answer is "they sicken and die too quickly...". Have a look at the first line in the bit we're given.
Its only 2 they modify adjectives and other adverbs