A student heats a liquid on a burner. What happens to the portion of liquid that first begins to warm? It loses energy. It becomes less dense. It sinks downward. Its molecules get closer together. PLEASE HURRY

The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.

Which of the following is a direct benefit of the use of assembly lines in production a. laws against theft fraud and coercion are needed to protect free choice. b. the government needs to plan efficient outcomes. c. competition among producers by itself cannot ensure a wide range of consumer choices. d. works pressure the government to guarantee minimum wages

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?