Fossil fuels currently account for the majority of the world’s energy use because they are a. renewable energy resources. b. distributed evenly throughout the world. c. relatively inexpensive and readily available. d. nonpolluting.

conduction, convection, radiation

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