If oxygen and steel wool are combined is it a physical change or chemical change?

Technician A says that if the opposite DTC can be set, the problem is the component itself. Technician B says that if the opposite DTC cannot be set, the problem is with the wiring or grounds. Which technician is correct?

Light is described as a wave and sometimes as a particle. What evidence supports the wave nature of light? (A couple sentences will do)

Two slits 0.200 mm apart. Light of wavelength 488 nm impinges on the slits and the interference pattern is observed on a surface 1.00 m from the slits. How far from the central axis is the fourth maxima? (9.8 mm)

What provides necessary energy to power transcription?

What happens when the temperature of a substance is slightly decreased? A) the atoms within the substance move more rapidly. B) the atoms within the substance stop moving. C) the atoms within the substance move more slowly.

How does the kinetic energy of particles vary with temperature

Why is it wrong that igneous always has to become sedimentary because of the rock cycle

Which ion has a positive charge? valence electron covalent ion cation anion

Which is located farther west the central valley or the coast ranges?

Question: If the object is falling for 3 seconds, predict the distance the object falls. If a small amount of air resistance is present, predict what this would do to the distance the object falls.