HELP PLSSS! Which example reflects a main goal of the Preamble to the U. S. Constitution? A)Congress passes a bill to reform tax laws for both individuals and businesses.

B)A National Guard unit is sent to help a state prepare for natural disasters.

C)The president authorizes humanitarian aid to be sent to another country.

D)A jury decides whether a criminal defendant is guilty or not guilty.

If a swimmer is traveling at a constant speed of 0.85 m/s,how long would it take to swim the length of a 50m olympic sized pool?

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.

Should domestic security cases be handled differently than other types crimes?