Range of notes of a person's (singing) voice. To show an amount on a measurement device.

sound. . To make a judgment about something.

act of updating something or someone or updated version of something. Additions of a current version of some things. make something more modern or up to date.

of low temperature.

To put a rocket into the air.

expressed as algorithm. Of or relating to or having the characteristics of an algorithm.

unwelcome or harmful matter. Questions to show understanding of a math concept.

An online messaging system. To make small chattering sounds, like some birds.

An event at which you learned something. To gain knowledge by doing things.

flowing naturally or supplied to building through pipes and taps. action or movement of runner. To flow in a certain direction, like a liquid.

Surprising in a pleasing way. To cause wonder; to surprise completely.

having specified appearance. To appear to be when you look at them; seem.

fixed or movable upright partition used to divide room, give shelter from draughts, heat, or light. Displays in a theater on which movies are shown. conceal, protect, or shelter person or thing with screen.