Sidney is experimenting with two charged objects. She holds the objects close to each other, but she makes sure they never touch. Which is the only hypothesis about the two objects that Sidney would find to be true? If the first object has a positive charge and if the second object has a negative charge, then the objects push away from each other. If both objects have a negative charge, then the objects pull toward each other. If the first object has a negative charge and if the second object has a positive charge, then the objects push away from each other. If both objects have a positive charge, then the objects push away from each other.

When were the first 10 amendments to the constitution adopted and what was their purpose?

Select the correct answer. assume that you are a member of a special interest group that wants to raise taxes on certain items. who would you present your idea to if you wanted it to be proposed as a bill? a. a supreme court justice b. the president c. the american people d. a senator e. a member of the house

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a. a researcher uses the customs office’s passenger lists for ships bringing immigrants to the us between 1820-1845 to track the numbers of immigrants from certain ethnic groups.b. a researcher conducts a linguistic study of comments posted on a local public blog.c. a developmental psychologist videotapes interactions between groups of toddlers and their care givers to determine which intervention methods most effectively manage aggression.d. a researcher asks the director of a local free clinic about the number of patients in the last two years with newly diagnosed hiv/aids.