changes of state are physical changes. they occur when matters absorb or loses energy. processes in which matter changes between liquid and solid states are freezing and melting period processes and which matter change between liquid and gases states are vaporization, evaporation, and condensation
<span>When the client is experiencing decreased nausea and vomiting, then the medication is doing what it is supposed to. Promethazine is an antihistamine and a sedative and, as such, is used to calm down the responses to nausea that can occur during stressful events such as labor.</span>
Natural selection<span> and selective breeding can both cause changes in animals and plants. The </span>difference between<span> the two is that </span>natural selection<span> happens naturally, but selective breeding only occurs when humans intervene. For this reason selective breeding is sometimes called </span>artificial selection<span>.</span>
Quite sure C is correct ;) remember that humans are also placental mammals.
