Answer:
A. They destroy antigens because they are a foreign object.
Answer:
Cough syrup, soup, jello and honey
Explanation:
Circadian rhythms are biological changes that occur on a 24 hour cycle. The correct option among all the options that are given in the question is the last option or the fourth option. This is the type of system that happens in plants, animals, cyanobacteria and fungi. I hope the answer comes to your help.
Cuz without it we wouldn't be able to do our business
B and a maybe???sorry if I’m wrong.
