Gamma rays carry the highest amount of energy in the entire electromagnetic spectrum. which process releases gamma rays? a) photosynthesis b) nuclear fusion c) anaerobic respiration d) photoelectric emission

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