No they are not different substances but different temparatutes
When the Europeans arrived, carrying germs which thrived in dense, semi-urban populations, the indigenous people of the Americas were effectively doomed. They had never experienced smallpox, measles or flu before, and the viruses tore through the continent, killing an estimated 90% of Native Americans.
The best choice for that example would be that yelling "Fire" in a crowded theater would be restricted. The supreme court has ruled that in a situation like that, where it could cause panic and/or loss of life because of it, that type of speech would not be protected under the first amendment.
The attempt to build a different personality/self :-)
Answer:
Interleaved practice.
Explanation:
As the exercise explains, the interleaved practice is closely related to distributed practice, involving a practice schedule that mixes different kinds of problems or materials within a single study session. Furthermore, this process of mixing attempts to commit them to memory, to improve their learning skills. It develops a better long term retention and improves the ability to transfer learned knowledge.
