Question

is firefly lighting up is a physical change or a chemical change ??
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Answer 1

Answer:

Fireflies produce a chemical reaction inside their bodies that allows them to light up. This type of light production is called bioluminescence. ... When oxygen combines with calcium, adenosine triphosphate (ATP) and the chemical luciferin in the presence of luciferase, a bioluminescent enzyme, light is produced

The answer is that the light of a firefly is a chemical reaction caused by an organic compound in their abdomens.

Answer 2

A firefly lighting up is a chemical change.

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