Too much power in the state governments was the main concern with John Dickinson's first draft of the Articles of Confederation.
Answer:
D) Room temperature
Explanation:
For the experiment to work and have good reliable results there should only be one variable. In this case, the variable is the noise level, and the different room temperatures would influence the experiment's results.
It connected cities to various water routes
Answer:
C
Explanation:
A, B, and D are all true facts while C is an opinion and can be arguable