How is space exploration using space shuttles similar to and different from space exploration using space stations

c because the action was the roller coaster reaches bottom of hill (action) reaction would be blood tends to drain away from head

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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