Why do apples turn brown when cut & exposed to air?

Elon Musk spacex starlink satellites postpones the launch date to Sunday local time

Amazon plans to launch 4538 more satellites to challenge SpaceX's Starlink network

Elon Musk spacex starlink satellites postpones the launch date to Sunday local time

Amazon plans to launch 4538 more satellites to challenge SpaceX's Starlink network

Why do apples turn brown when cut & exposed to air?

Amazon plans to launch 4538 more satellites to challenge SpaceX's Starlink network

Why do apples turn brown when cut & exposed to air?