Question 3 of 16 Which statement correctly describes magnetic field lines?
A. They form loops by joining north pole to south pole.
B. They are parallel with one another.
C. They show the direction a south pole will point.
D. They form loops by joining positive charge to negative charge.

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles

the rearrangement of particles in a physical change. hope this