phone

Yes if it is in undamaged condition and works perfectly you can get about US$50

If it has cracked screen, badly damaged body to does not function then no but they will recycle it for free.

Search the web for "iPhone Trade-in" for your country

or https://www.apple.com/shop/trade-in

yes, also trade it in for store credit and you can also trade in other stuff

read

Apple Trade In - Apple