A team of scientists are measuring the amount of snow at the top of a mountain. The table shows the changes in snow amounts by year. What does 0 represent in this situation?
Year |1| |2| |3| |4| |5|
Amount of snow | -17 | |2| |5| | -3| |-1|
change (inches)
A
Inches of snow at the top of the mountain
B
Year when snow measuring began
C
Final year of measuring snow
D
Original amount of snow before measuring began
D. Original amount of snow before measuring began.
The table shows the changes in snow amounts by year, so the 0 value is not present in the table. It represents the starting or original amount of snow before any changes were measured.