Question

which of the numbers given the back of the bottle can be recycled​

Answer 1

the bottles having the numbers 1 or 2 or 3 or 4 or 5 or 6 or 7 printed at the bottom can be recycled.

Answer 2

Number 1 - PETE - Poly(ethylene terephthalate):

Soda bottles, water bottles, cooking oil bottles, and medicine containers.