Which option is an example of a physical property?
a. rusting ability
b. flammability
c. toxicity
d. melting point

D. melting point

Explanation:

Everything else involves chemicals, which using flames or liquids will alter the shape of how something looks. Melting point however, does not because if you were melting ice, it still maintains its density. Ice and water are still what they are because they have mass and occupy space.

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only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.