B.which
because they used the word stayed which is past tense "that" would be more of a present tense word
Https://healthymeals.fns.usda.gov/hsmrs/HUSSC/ -- one of the highlighted links, although I'm not sure which one meets your particular needs
Answer: B
Explanation: They keep the ecosystem clean of the dead insect carcasses ad aid in the destruction and decomposition of plant and animal matter.
Answer: incorrectly
Explanation:
the answer would be “i” because...grammar