Which of the following statements are true? A solid can diffuse into a liced, but a solid cannot diffuse into another solid.
A solid can diffuse into both a liquid and another solid.
A liquid can diffuse into another liquid.
A gas can diffuse into another gas.

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles