Answer:
D. Americans
Explanation:
The antecedent is a noun that replaces the subject, the thing doing the action.
In the sentence instead of saying americans again it says their.
answer: Both are scale models
Answer: The correct answer is : B. Laboratory experiments do not generally reflect real-life circumstances.
Explanation: One of the advantages of laboratory experiments is that cause-effect relationships are easier to consider. In a laboratory the independent variables are manipulated by the experimenters.
Answer:
Webster believed that federal government would go to war to prevent states from seceding, and it wouldn't look good for slaves to be sold in DC, so slavery was abolished there.
