Astudent says that since the atomic theory is just a theory, it should not be considered useful. which statement best argues against the student’s opinion?

pe = weightxheight = 2000x1000=2,000,000joules

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