Order Rational Numbers in Context Practice Test

A weather app shows these temperatures: $-4^\circ\text{C}$, $-1^\circ\text{C}$, $0^\circ\text{C}$, and $6^\circ\text{C}$. Which order statement correctly arranges them from coldest to warmest?

If the submarine's final position is compared to a research station located 35 meters below sea level, which statement is true?