What two main factors would best indicate the quality of life of a country's 1 point population?
O The total fertility rate and the death rate
O The birth rate and the infant mortality rate
O The replacement-level fertility rate and the total fertility rate
O The life expectancy and the infant mortality rate

Which of the following describes a bathypelagic zone

Which gas prevents the spread of fire and extinguishes it? is a type of compressed gas that prevents the spread of fire and extinguishes it.

Which of the following statements best distinguishes a hypothesis from a theory? a. theories are hypotheses that have been proved. b.hypotheses are guesses; theories are correct answers c. hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. theories are proved to be true; hypotheses are often contradicted by experimental results.