Do tectonic plates cover most of earth but not all of it?

Give an example of how a business or person could specialize.

An electric heater has a Nichrome heating element with a resistance of 9 Ω at 20oC. When 112 V are applied, the electric current heats the Nichrome wire to 1090oC.

Whats the measure of how much energy a sound wave carries, the loudness of a sound?

How long does it take a car traveling at 50.7 mi/hr to travel to 655 miles?

The coordinates referred to either either rectangular or oblique axes are called (a) triangular axis (b) Cartesian coordinate (c) parallel axis

A car travels 35.0 mph north for 1.00 hour, then 40.0 mph east for 0.0500 hour, and finally 50.0 mph northeast for 2.00 hours. Calculate the average speed.

A 500 lb steel beam is lifted up by a crane to a height of 100 ft and is held there. A) How much work is being done to hold the beam in place? B) How much work was done to lift the beam?

If Light is shone through the slits of a card onto a sheet of white paper describe what is seen.

When you break a magnet in half, how many poles does each piece have? Explain.

What can you use to unscrew a tiny screw?