Which stage of a LaserJet cartridge’s life has a 76% impact on the environment?

A.
Distribution
B.
Use
C.
Disposal
D.
End of life
Explanation:
Reference: http://www.hp.com/hpinfo/globalcitizenship/environment/productdesign/LJ-LCAEMEA.pdf (page 8, table 6, 6th row, 6th column)