Question

question which of the following could be considered a physical change? select the correct answer below: silver tarnishes burning toast grass grows chopping firewood

Explanation:

A physical change alters the form or appearance of a substance without changing its chemical composition. Silver tarnishing is a chemical reaction with sulfur - containing compounds in the air. Burning toast is a chemical change as new substances are formed due to heat - induced reactions. Grass growing involves complex biochemical processes. Chopping firewood only changes the physical size and shape of the wood without altering its chemical nature.

Answer:

chopping firewood