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# binder
# What is the smallest amount of a substance?
# What is the definition of a substance?
# The science of the verb, which is before the verb or the substance?
# How did he find a substance from nothing but a substance?
# Is light a substance?
# Fast-acting material
# radioactive substance
# chemical substance
# specified hazardous substance
# super substance
# aromatic substance
# amorphous substance
# substance quantity
# phosphorous substance
# A substance of great concern
# properties of a liquid substance
# properties of a gaseous substance
# The waxy substance in the ear
# tannins substance
