End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
SLF 9 : পদার্থ ১ম পত্র : ৫ম অধ্যায় https://educationlivebd.com/qz/slf-9/