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# What is the waxy substance secreted by the ear?
# What is the juice secreted by the liver?
# bile
# How many eggs are secreted by the ovaries in each obliteration cycle?
# What is the juice secreted by the pancreas?
# 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?
# What is the enzyme pecin secreted in the body?
# It is a gum that is secreted from some plants
# radioactive substance
# chemical substance
# specified hazardous substance
# super substance
# aromatic substance
# amorphous substance
# substance quantity
# phosphorous substance
