Antibiotic resistance is problematic due to its effects on society. The bacteria can spread and infect humans and animals. This can often be more difficult to treat because of the non-resistant bacteria.
Answer:
setting
Explanation:
because what it is is important to know
Answer:
A class system is a more smooth system, caste is more of a system that changes consistently.
Explanation:
"Class system is typically more fluid than the caste system or the other types of stratification and the boundaries between classes are never clear-cut. Caste system is static whereas the class system is dynamic. ... In the caste system, individual mobility from one caste to another is impossible."