Which elements do hydrogen fuel cells combine to produce electricity?

If you were trying to kill a fish with a spear, would you aim where you see the fish

Which type of reaction will for a chemical bonded combination

Two electronics technicians are discussing conductors and insulators. Technician A says that conductors have more free electrons than insulators. Technician B says that insulators have lower resistance than conductors.

A dog runs 30 feet to the north then 5 feet to the south what is the displacement of the dog

Which term refers to the rate at which the velocity of a moving object changes? A. acceleration B. displacement C. resonance D. turbulance

An ant is crawling along a straight wire, which we shall call the x axis, from A to B to C to D

How does a very heavy object resist sliding sideways when you push hard on it?

A go-cart traveled at 200 meters in 18 seconds. what was the average speed of the go cart?

A cartoon plane with four engines can accelerate at 8.9 meters per second squared

Convert 1087 ft/s to mi/hr