Hair is composed mainly of the protein keratin, with an inner layer containing melanin that gives our hair its natural colour. An outer layer, called the cuticle, protects the hair. Average rate of hair growth is 1cm a month. Speed of hair growth depends on genetics, age and hormone levels.
Ctrl+Alt+Down Arrow = Turns screen upside-down. Ctrl+Alt+Up Arrow = Turns screen rightside-up. Ctrl+Alt+Right Arrow = Turn screen once, clockwise. Ctrl+Alt+Left Arrow = Turns screen once, counter-clockwise.
For example, if you press Ctrl, Alt and Delete all at the same time, a menu will open. To make it disappear, press the âEscapeâ (Esc) key in the top left-hand corner of the keyboard. Step 11: Some of the things that you use the mouse for can be done with keyboard shortcuts.