jocelynreyes946 Asked: December 2022 presence and absence of oxygen in investigating the change that happen in materials under the condition that there is presence or absence of oxygen
jocelynreyes946 Asked: December 2022 Maglagay ng tsek kung tama ang pahayag at ekis naman kung mali.1. Tingnan ang bubong ng bahay at mga puno sa bakuran na posibleng bumagsakdahil