When two similar charges come within each other's electromagnetic filed one of them emits a photon and gets recoiled with the force of emiting it.The photon hits the other charge thus pushing it back. This happening together causes repulsion.
The formation of numerous, closely spaced rills due to the uneven removal of surface soil by streamlets of running water. Also known as rilling; rill wash; rillwork.
Insecurity? If there's one person who about insecurity, its me. I spent my early childhood incredibly insecure. And up until now, I still know lots of other people who are stuck in that STAGE. There...