The correct statement about the informal sector is that it "includes self-employed who do not have any hired workers." In the context of economics, the informal sector refers to a part of an economy that is not taxed or monitored by any form of government. It consists primarily of individuals or small entities engaged in activities without formal recognition. Typically, the informal sector:
Thus, aligning with the characteristics of informal economies, option two is deemed correct.
Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. a healthy diet and regular exercise
Q. are important habits
R. that help maintain good physical and mental health
S. especially in today's busy world