Giải thích danh ngôn : Khoảng cách ngắn nhất giữa 2 con người là nụ cười

2) based on the information, which is an opinion rather than a fact about immigrants to north america? immigrants

What does one prolonged blast and one short blast mean?

According to the federal regulations, human subjects are living individuals about whom an investigator conducting research obtains information through interaction or intervention with the individual, and uses, studies, or analyzes the information; or: