Explain the valve timing for a 4-stroke diesel high speed engine.

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

a.) travels faster in solids because the particles are closer together.

air is a gas water is a liquid

answer; how far out of place which the object finished relative to the starting location;