A polyatomic ion is a group of atoms bond by covalent bonds with an unbalanced charge. A binary ionic compound is composed of atoms of two elements bond by an ionic bond.
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Answer:
Does a person's job/ role and environment affect his personality?
Explanation:
In this experiment some students were taken to the jail / prison where they were assigned different jobs such as jailer and prisoner. An experiment was conducted to test whether people's behavior changes with the nature of the job assigned.
The explorers wanted to explore the change in human behaviors on the nature of the job and role.
The results showed a drastic change in the nature of people only because of the change in their roles.
Negative effects in the environment or negated roles such as those of prisoners and the environment of the prison affects humans drastically. It brings out a huge change making them do things which they never did or never thought of doing.
Answer:
C is the right answer. The annihilation of up to 90% of the Native American population due to illnesses such as smallpox necessitated the growth of the African slave trade.
Explanation:
Because natives lacked an immune system capable of combating diseases brought in from Europe, C is the right answer. Of course, this resulted in the introduction of a slave system, as Europeans transported many slaves from Africa.
A is incorrect because the growth in the number of Europeans was due to a variety of social and economic factors.
B is also incorrect because it is not based on historical evidence.
D is also incorrect because it had no effect on the Natives' life expectancy.
