How to select a gps car navigation system
Decide how often you intend to use the system.
Inexpensive systems simply plug in to your car's cigarette lighter and are small enough to store in your glove compartment, but they're not as user-friendly.
Consider the layout of your car.

Some systems come with a monitor that displays a map. The monitor is commonly installed on the dashboard or on a pedestal extending from the dashboard.

How to write good essays in ap world history
Understand the format.
The point of this essay is to show that you can see a historical document, whether a ship's register or a written historical account, and make correct observations from it. You will receive four to ten documents and should demonstrate mastery of the wider context of world history.

During the exam, you have fifty minutes to complete this essay. Ten minutes are for reading and looking at the document, forty minutes are for writing.

How to block volleyball
Be ready at all times.
Timing is one of the most important aspects in blocking; a fraction of a second could be the difference between stuffing an opponent's attack and missing the ball completely. Being in the ready position will allow you to move more efficiently when attempting a block.

Stand with your feet shoulder-length apart square to the net. Keeping your feet the proper distance apart will help with your footwork, another essential aspect of blocking.

How to tell if one leg is shorter
Understand that most lld are caused by a problem with the connective tissues and muscles.
Favoring a leg can develop structures differently, resulting in what appears to be uneven legs.
Lay on your back with your legs straight out and your arms at your sides.
Rock your hips from side to side gently for about a minute. This should help relax your hips, back and legs.