Classify the following as a chemical change (C) or a physical change (P) : A bike rusting

chemical change

Explanation:

When a substance rusts it reacts with air and moisture, iron oxide is formed as a product. Since there is a substance formed from the reaction this makes it a chemical change

where's the following? you gotta add it to know what the choices are

explanation:

there is no correct list among the choices you've provided.

the list might look something like this:

-- baby human

-- piccolo

-- flute

-- soprano singer

-- trumpet

-- tenor singer

-- trombone

-- baritone singer

-- baritone horn

-- bass singer

-- tuba

since i had to make up the list myself, i made it easy on myself, and i didn't try to shuffle the string instruments and woodwinds into it too.