Because you are not using gas oil etc, in other words you are saving fossil fuels by walking instead of driving a car
also could I get brainliest plz
Answer:
3,4,1,2
Explanation:
The filing procedure involves Filing in terms of the first letter.If the first letters are common, file in terms of the second letter then File in terms of surnames.If the surnames are common, file in terms of the initial. If the surname is more than one then file under the first surname etc.
