Mixtures can be separated by physical changes;True.
Answer:
They adapt and modify it to suit their changing needs to meet life's necessities. In the process, they bring knowledge and technology to bear on physical systems. Alterations to the environment have brought economic prosperity to some areas at some times and created environmental crises in others.
Explanation:
Answer:
Dictator, in the Roman Republic, a temporary magistrate with extraordinary powers.
Explanation:
