Hi can anyone with my two questions posted a little while ago. i need to know asap : )

Aphysical change is a change in the size, shape,, or stafe of matter true or false

How is zig zagging a form of acceleration?

Ineed ! using proper grammar, spelling, and punctuation, write at least one 5 sentence paragraph describing 3 ways we use the elements of the electromagnetic spectrum (ems) in our everyday lives.