Describe two uses of surfactant. at least one must be something that was not described in the passage. for each example explain how the effects of the surfactant mike it useful

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

Two things that biomedical has invented or innvated

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo