C. Heat
When heat is added to a substance, the molecules and atoms in that substance vibrate faster and move farther apart, and when a substance is cooled, the molecules vibrate slower and move closer together.
For example, as ice is warmed, the energy from the heat causes the molecules of water to move faster and farther apart, causing it to melt and liquify.
An economic theory that calls for workers to take control of factories is <span>communism</span>
<span>Perhaps the greatest concern among activists who are against the construction of the Ilisu dam is potential destruction of the livelihood of up to 78,000 people – the majority of whom are ethnic Kurds – living along the approximate 158-mile river stretches. Since the legal framework for resettlement of the displaced people is inadequately recognized in Turkey, except for a handful of large landowners, most of the displaced population is confronted with poverty.
Hope that helped </span>
