line where earth and sky meet. Lines where the earth or sea meets the sky.

Present and able to be used.

To examine something in detail to learn about it.

process of taking air into and expelling it from lungs. To stop moving so one can rest.

Used to add new (often different) information.

continuing or valid to final destination. From the beginning of something until the end. moving in one side and out of other side of.

flowing naturally or supplied to building through pipes and taps. The act of moving your legs to move quickly. To move your legs faster than walking.

devoted to task or purpose. To give your energy, time, etc. completely.

length or portion of time. Set amount of times during which events take place.

picture made using camera, in which image is focused on to light-sensitive material. Pictures taken with a camera. take photograph of.

Vehicle capable of traveling to outer space.

science which deals with physical structure and substance of earth, their history, and processes.

optical instrument designed to make distant objects appear nearer, containing arrangement of lenses, or of curved mirrors and lenses. Tube-shaped device used to see a great distance. slide or cause to slide into itself, so that it becomes smaller.

To watch carefully; to make a comment.

used for emphasis with following adjective functioning as adverb. Thing that is not yet known or named.