3 Sofia is a criminologist who is performing a study on gangs in Chicago. For the first few weeks, she doesn't talk to any of the gang members. She just follows them in an
unmarked car and watches them from afar to gather information. What kind of technique is Sofia using to study this human behavior?

- survey
- interview
- experiment
- observation

you should think about the answers you give and expect the same form your questions.

changes in factors like average income and preferences can cause an entire demand curve to shift right or left. this causes a higher or lower quantity to be demanded at a given price. demand curves relate the prices and quantities demanded assuming no other factors change. it is important for consumers to know this information, because it is crucial for them to know what they can afford and can't afford. i hope this .

answer; /// the above statement is (true);

answer; colony;