How is the structure of the section "States Can't
Block Federal Laws" similar to the structure of
the section "When A Federal Law Preempts. A
State Law"?
A. These sections both explore the doctrine of
preemption.
B. These sections both describe concurrent
powers.
C. These sections both list implied and
enumerated powers.
D. These sections both explain the Tenth
Amendment to the Constitution.

Jack owns a small home near a school. he doesn't have any children, and doesn't plan on having any in the future. jack is a writer and works out of his home. all of the noise from the playground during the day interrupts jack while he is trying to work. tina, a friend of jack's, also owns a small home. her home is in a quiet, little secluded neighborhood. she has a child that will be entering first grade in the fall and wishes she lived closer to a school. one day, jack asked tina if she would want to exchange homes. is this a possibility? a. yes, a trade of properties (exchange) is possible if the trade involves no financing and the properties are not mortgaged.b. yes, a trade of properties (exchange) is possible if the trade involves no financing.c. no, it is not a possibility. simply "trading" real estate is not recognized under california real estate law.d. none of the above